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is a significant concern for physicians. Central$ X" l' J/ T9 E9 g2 ^5 m4 t9 h8 E
precocious puberty (CPP), which is mediated
G! a1 Z# p( B0 h, bthrough the hypothalamic pituitary gonadal axis, has9 E3 y5 t: t4 X" k, h$ Q% |/ W
a higher incidence of organic central nervous system
- E1 q0 a; ~" O j# o; k8 J$ Mlesions in boys.1,2 Virilization in boys, as manifested
) b) U s& `7 \8 H- ?+ q8 P( |by enlargement of the penis, development of pubic
8 U: T' }6 a0 F4 `% _2 z, ehair, and facial acne without enlargement of testi-
( n9 Q' I4 [! d; B3 qcles, suggests peripheral or pseudopuberty.1-3 We
1 ~% E* S0 n% n J/ Rreport a 16-month-old boy who presented with the4 p8 _% R) _4 U% d1 m9 W8 u3 a
enlargement of the phallus and pubic hair develop-
9 y; d1 M. I- x0 ement without testicular enlargement, which was due* R* N$ j$ ^) C' j L( E
to the unintentional exposure to androgen gel used by8 m, M6 q! @7 P3 a5 ?
the father. The family initially concealed this infor-+ x+ L+ x2 ~+ e% Z" N0 g% K' t- k3 ~
mation, resulting in an extensive work-up for this* |7 ]: n! Z* C8 c5 S
child. Given the widespread and easy availability of
" K! d8 F/ c" U' ntestosterone gel and cream, we believe this is proba-
9 s$ }3 F7 |8 ^7 ^bly more common than the rare case report in the
' @5 ~6 |" M+ L! O2 e+ B4 bliterature.4: C/ o4 b( d8 x
Patient Report
4 P3 j5 u/ u- c0 fA 16-month-old white child was referred to the
1 w+ j# ? C& j! zendocrine clinic by his pediatrician with the concern
3 W# d7 r" V: G! @' j }of early sexual development. His mother noticed
3 _1 v' F$ y* y/ p6 Q& l4 t% xlight colored pubic hair development when he was
+ |, v. P- B8 Q0 O" m/ bFrom the 1Division of Pediatric Endocrinology, 2University of7 W5 d9 b" Q+ l' C( k% ^1 j2 {1 q
South Alabama Medical Center, Mobile, Alabama.
% T. C( w$ M4 W+ {, JAddress correspondence to: Samar K. Bhowmick, MD, FACE,/ u; ?6 @6 ^# X
Professor of Pediatrics, University of South Alabama, College of
" S+ a0 \7 w+ C0 dMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;% F6 U. c# x( ?
e-mail: [email protected].+ \4 `: p* s9 c/ A# ~5 C* e
about 6 to 7 months old, which progressively became
/ C6 p3 S7 j1 ^" J5 }& Gdarker. She was also concerned about the enlarge-8 I3 u3 Z4 j3 i# I
ment of his penis and frequent erections. The child" V! J6 W* w3 O" S* f) Z6 U! e. O
was the product of a full-term normal delivery, with; O, [ @/ M4 V! e8 k
a birth weight of 7 lb 14 oz, and birth length of, M4 t3 w$ Z) c
20 inches. He was breast-fed throughout the first year
/ G1 J7 q9 k# {of life and was still receiving breast milk along with
& {: v0 }# P9 N1 D6 D0 W4 ?9 ?solid food. He had no hospitalizations or surgery,% ^: y" Z) S/ K7 r6 |: s+ ~
and his psychosocial and psychomotor development/ T8 L: {0 \' X1 [- B9 W
was age appropriate.
- j* W! Y6 n) @* {8 \! M: L, sThe family history was remarkable for the father,9 R1 o$ x9 C* i( s: L
who was diagnosed with hypothyroidism at age 16,1 S' z/ a2 \- j
which was treated with thyroxine. The father’s0 X" B# C: w8 Z$ {$ z: L
height was 6 feet, and he went through a somewhat7 `/ _; x: f: M
early puberty and had stopped growing by age 14.
# Z z" `/ ]& k1 {3 A' K+ _, KThe father denied taking any other medication. The
0 }- Q* r; B# Y; ochild’s mother was in good health. Her menarche
& U7 {# O$ i! Y5 S, Q) ~was at 11 years of age, and her height was at 5 feet: ~" b% l5 X/ Q2 H; l+ W: R
5 inches. There was no other family history of pre-
( F7 p) l' s( Tcocious sexual development in the first-degree rela-
; E9 Y) f1 u0 v2 a# e- y9 v; ytives. There were no siblings.
" O* [. [+ A' ~4 ]. Y! g# b/ B: kPhysical Examination
% _1 s! F- @* ]The physical examination revealed a very active,
0 a: g& G* v1 r7 xplayful, and healthy boy. The vital signs documented
5 m' k, H4 r& ma blood pressure of 85/50 mm Hg, his length was- f$ I0 \" C7 `, _
90 cm (>97th percentile), and his weight was 14.4 kg F" |7 ], D6 Z6 u
(also >97th percentile). The observed yearly growth: \! v* Q& k$ l& C
velocity was 30 cm (12 inches). The examination of
% n) n+ T, S- P0 h$ sthe neck revealed no thyroid enlargement.. \2 {/ k5 I+ L& a
The genitourinary examination was remarkable for
9 o0 a. H6 ^+ g6 [+ Q# G7 ienlargement of the penis, with a stretched length of
: E( z8 W% ?4 F* o0 _8 cm and a width of 2 cm. The glans penis was very well
% {7 w0 j9 g/ N0 ndeveloped. The pubic hair was Tanner II, mostly around# N! s# r5 I3 G$ x) u$ U* q
540
H- v/ }3 Q6 s2 ]" vat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from% H; a, Z! N; D( z
the base of the phallus and was dark and curled. The
- G6 D2 }; \2 x/ |+ m [4 [! jtesticular volume was prepubertal at 2 mL each.
5 P+ m5 h" l2 u8 R0 z) g2 z RThe skin was moist and smooth and somewhat; R0 s( J j t' U
oily. No axillary hair was noted. There were no
( R! D$ s, m3 a7 f- pabnormal skin pigmentations or café-au-lait spots.
2 g8 r! Z3 k( M7 P9 J, qNeurologic evaluation showed deep tendon reflex 2+ }: P) p* Q$ c
bilateral and symmetrical. There was no suggestion6 v- g' O$ E: d3 v [* b
of papilledema.% E$ c/ G- p6 l- ]8 a K* M7 n
Laboratory Evaluation- P6 b$ L% D) ]- X- _
The bone age was consistent with 28 months by
) f P' j& k! N( p* g9 U* ousing the standard of Greulich and Pyle at a chrono-* g% M& h# w6 m X7 X, X
logic age of 16 months (advanced).5 Chromosomal- G, U1 D) }: a* } q8 T. b
karyotype was 46XY. The thyroid function test
' M6 _3 [: M2 @# ^% _" K- V- }0 v& Nshowed a free T4 of 1.69 ng/dL, and thyroid stimu-- {: E% B) p0 e* Y
lating hormone level was 1.3 µIU/mL (both normal).& p! z: l, L) d) P% W8 A ^; n
The concentrations of serum electrolytes, blood, a6 [4 t' H1 i2 I3 q
urea nitrogen, creatinine, and calcium all were" w7 _$ p! ^, C9 d) a8 F9 x% x
within normal range for his age. The concentration
W# w( m' `2 ^; p6 \ ?of serum 17-hydroxyprogesterone was 16 ng/dL; d+ K, j7 e* B* E: L
(normal, 3 to 90 ng/dL), androstenedione was 20
`' B4 F% P ]% C& qng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
Q9 d( C, ?$ Z: `; a8 Hterone was 38 ng/dL (normal, 50 to 760 ng/dL),
! p: V0 a6 Y; P2 v! Sdesoxycorticosterone was 4.3 ng/dL (normal, 7 to6 h" D/ l+ ]9 @! _ H( v5 Y
49ng/dL), 11-desoxycortisol (specific compound S)2 c% m7 s! Z" I H1 c0 L L7 t0 e
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
7 _) E8 I3 j' }tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
/ p0 X4 F5 X- T& B* Atestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
5 i M' k1 ]4 n @and β-human chorionic gonadotropin was less than1 ]- x% o& T$ a+ s. o) P6 ^' U
5 mIU/mL (normal <5 mIU/mL). Serum follicular
' G, H2 e$ U- Hstimulating hormone and leuteinizing hormone# W+ W" i! \: ^7 V& A
concentrations were less than 0.05 mIU/mL
& @* [: _8 \- x, W _ H" A3 v(prepubertal).7 p! J9 {' |! W3 m# k5 ]: C6 x; w, f9 ^5 L. |
The parents were notified about the laboratory p8 W( I9 y4 |% | N
results and were informed that all of the tests were
2 m+ h' n7 A2 Bnormal except the testosterone level was high. The
3 Q* E6 r$ o: U; p# o9 U' Wfollow-up visit was arranged within a few weeks to
} R! A% q& N; z0 V+ Y( ?obtain testicular and abdominal sonograms; how-9 I2 R; G4 [8 Q7 J% d% @# c: C
ever, the family did not return for 4 months.
. _4 O0 b1 g7 e8 W) P5 DPhysical examination at this time revealed that the
; r7 s" O2 o$ _7 d: P3 Ichild had grown 2.5 cm in 4 months and had gained& s! a/ e) ~( _! L6 x* y }$ @
2 kg of weight. Physical examination remained
/ t7 x0 } m$ h8 ?/ |- q7 z- }- f9 H4 X7 ?unchanged. Surprisingly, the pubic hair almost com-; m1 l) U& f$ I" x4 Q" e* h
pletely disappeared except for a few vellous hairs at
9 x# v y. ?$ L' @; @# O, B7 V! jthe base of the phallus. Testicular volume was still 2
! @4 T( W/ Z2 Z( h+ H0 qmL, and the size of the penis remained unchanged.
" E$ |7 n# ]: ^4 ZThe mother also said that the boy was no longer hav-& f/ K p8 ^; o% m# [- `
ing frequent erections.
% P1 o5 N$ g7 U, I& JBoth parents were again questioned about use of: {5 P( v l+ T8 T5 e" t: W
any ointment/creams that they may have applied to
% {" l3 e3 ?4 H3 n3 J/ Jthe child’s skin. This time the father admitted the
* |3 a& `# o7 _1 l$ x4 cTopical Testosterone Exposure / Bhowmick et al 541
; Q8 G$ j; S4 B/ quse of testosterone gel twice daily that he was apply-; M: K$ O( D" \( l @" I
ing over his own shoulders, chest, and back area for1 W6 `; ~6 f9 L: i% u' \ q) C+ ?
a year. The father also revealed he was embarrassed
, G% ?) l6 F/ l" b) T. y+ P3 Q( x. Pto disclose that he was using a testosterone gel pre-6 a7 N" @" `2 w# s* L& Z
scribed by his family physician for decreased libido- k( F/ n- d: s- a9 v
secondary to depression.
5 B A3 D" [. a; a$ e1 A' i! O: nThe child slept in the same bed with parents.! N6 c4 `; I( D I* P0 g; ~/ b2 O7 |
The father would hug the baby and hold him on his- \0 P2 k* e6 {" q8 ~( T' A
chest for a considerable period of time, causing sig-- J7 i0 c) E/ A3 V1 z; l
nificant bare skin contact between baby and father.
9 s6 W7 b9 o) v4 ]8 G |4 _The father also admitted that after the phone call,- u, T2 {% y/ `# S9 U* e0 a
when he learned the testosterone level in the baby
( q# q2 ^. w: x/ Wwas high, he then read the product information, h' Q, G% L; S5 s4 Z- n; L
packet and concluded that it was most likely the rea-7 |8 [- N: o# D/ q. m
son for the child’s virilization. At that time, they
3 |" v- U* s% Q; ?# J a( ^- adecided to put the baby in a separate bed, and the, {/ P6 w# S1 h$ o# x% ]
father was not hugging him with bare skin and had
5 r* R3 a7 ^* zbeen using protective clothing. A repeat testosterone. p6 g, f- p, `, t$ }
test was ordered, but the family did not go to the }6 @! s9 b k7 r+ l/ a
laboratory to obtain the test.8 Q" X% [% _# a1 k7 t- S8 s1 B9 Z
Discussion, X& H0 i% h% H1 j ?7 i9 a
Precocious puberty in boys is defined as secondary
3 [! t6 S( N7 d! asexual development before 9 years of age.1,4) k1 S! G0 A; V$ j! z' f0 E
Precocious puberty is termed as central (true) when
7 F, w" }. T k0 ~5 E* _1 Jit is caused by the premature activation of hypo-& V- g* g. Q4 V4 {
thalamic pituitary gonadal axis. CPP is more com-
+ m& f9 d# h5 D# p$ l3 pmon in girls than in boys.1,3 Most boys with CPP; t. }. X6 ~. O0 F7 `
may have a central nervous system lesion that is
0 A+ @" n' ^' V/ z/ B' gresponsible for the early activation of the hypothal-& P8 X5 Q0 {8 q' M1 y( {7 }
amic pituitary gonadal axis.1-3 Thus, greater empha-
' H U t) {5 k( V8 y8 lsis has been given to neuroradiologic imaging in2 ]; j. a+ m! z: C! D) _
boys with precocious puberty. In addition to viril-; H; N1 L' w a
ization, the clinical hallmark of CPP is the symmet-
( b+ C5 y! ^, _" ^) z6 Nrical testicular growth secondary to stimulation by
1 ~9 ^7 A8 ~0 u# vgonadotropins.1,3, ~! i& C) q( n7 m
Gonadotropin-independent peripheral preco-0 i |9 F- A' `; `* l1 |3 l
cious puberty in boys also results from inappropriate R8 t7 ?0 Y; m! x) N2 P- z7 G
androgenic stimulation from either endogenous or' E; q+ O+ O# ]* h+ a# `
exogenous sources, nonpituitary gonadotropin stim-
) u0 u8 x! e p6 q* \ulation, and rare activating mutations.3 Virilizing s6 V4 p" f$ }5 \+ d1 ?% f
congenital adrenal hyperplasia producing excessive
% ~6 l7 z1 @3 Q# \. ^adrenal androgens is a common cause of precocious
% k( r* b: ^* ?- v! jpuberty in boys.3,41 P, B7 I$ R! Z" M6 \
The most common form of congenital adrenal. g+ n: W0 N6 [3 F! Z/ y$ N
hyperplasia is the 21-hydroxylase enzyme deficiency.( r4 s0 p* N6 y$ B0 w( ^% i
The 11-β hydroxylase deficiency may also result in* z$ B6 D' t' ]5 k
excessive adrenal androgen production, and rarely,
$ {; P0 O& j% J8 D; Ban adrenal tumor may also cause adrenal androgen Z1 s3 K3 u+ i e( b3 @9 I/ d+ `
excess.1,3
- P+ J# b+ T) U$ A( ^4 Yat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
9 V, i1 B% A& ?) H( l542 Clinical Pediatrics / Vol. 46, No. 6, July 20072 q* v) t& n) F/ o, O7 q
A unique entity of male-limited gonadotropin-, r( A+ X1 ~% g s7 F
independent precocious puberty, which is also known
2 J. y0 a# t9 n& g/ Y- ~% }as testotoxicosis, may cause precocious puberty at a+ q8 V& z u% \" B- P. a
very young age. The physical findings in these boys8 Q( {2 M x- M) b. y' \0 q
with this disorder are full pubertal development,
w( N' k6 Z* H, N4 aincluding bilateral testicular growth, similar to boys
|/ x# |2 R, k9 \7 D8 P Wwith CPP. The gonadotropin levels in this disorder
1 i1 }* L6 Q9 c) a6 v( E3 ^8 Z. ~( m2 kare suppressed to prepubertal levels and do not show0 {7 ?' ^7 ~, k/ e) ?" ?
pubertal response of gonadotropin after gonadotropin-
' t4 C- [( c4 ]/ Qreleasing hormone stimulation. This is a sex-linked) |1 \- u$ O3 L/ G/ P% W: _/ Z
autosomal dominant disorder that affects only
' g; O& ]4 V# J0 B0 ]males; therefore, other male members of the family
. h7 {/ i* w6 u. Emay have similar precocious puberty.3
* R$ D' t/ f- \/ h. sIn our patient, physical examination was incon-
) R; |$ X2 m Q9 Z9 rsistent with true precocious puberty since his testi-* ]6 P# c1 }; {* M
cles were prepubertal in size. However, testotoxicosis. s8 C$ ^$ U5 R% @% b
was in the differential diagnosis because his father
/ T$ g7 c: t. m/ n E2 y: sstarted puberty somewhat early, and occasionally,6 i% w( R# Z3 _3 ?, G
testicular enlargement is not that evident in the
" s$ S' D$ N- |/ C6 U+ Obeginning of this process.1 In the absence of a neg-; S! B4 U: o7 l- n' P5 Y
ative initial history of androgen exposure, our4 c6 j8 V% {$ N" n, ~5 j+ i
biggest concern was virilizing adrenal hyperplasia,; u- J( b4 l! P6 @. d+ S' R' g
either 21-hydroxylase deficiency or 11-β hydroxylase
* c6 g$ V8 t/ q+ D1 Gdeficiency. Those diagnoses were excluded by find-
+ j% S0 v2 j& [- v" ting the normal level of adrenal steroids.
3 P: W G& q* q: H0 @" K7 B: W! gThe diagnosis of exogenous androgens was strongly
1 ?7 c& T+ y! B8 T+ lsuspected in a follow-up visit after 4 months because! z6 h6 A5 I' H& V ^$ i9 ]: |& l
the physical examination revealed the complete disap-6 }/ o1 z' j0 U% M
pearance of pubic hair, normal growth velocity, and
8 q$ _5 N1 h0 z8 Hdecreased erections. The father admitted using a testos-
0 z! b$ a$ C2 E6 \' W9 O2 i' Gterone gel, which he concealed at first visit. He was
2 p+ r. ^6 {. r4 N2 c% M! pusing it rather frequently, twice a day. The Physicians’% H% U; r! c# J- c
Desk Reference, or package insert of this product, gel or. q9 n( T5 ]$ e* `9 }& \5 W( i
cream, cautions about dermal testosterone transfer to
3 N; U. `6 D& Z7 g6 @ vunprotected females through direct skin exposure.
$ }/ n. F. S6 \7 R# C' h. Q1 [Serum testosterone level was found to be 2 times the0 f1 w" r9 Z0 P
baseline value in those females who were exposed to( U* L+ T+ U: t1 r9 `; t1 V+ ^
even 15 minutes of direct skin contact with their male
& r* @ {/ v, J5 o) Z4 j& Ypartners.6 However, when a shirt covered the applica-% K7 J0 b6 {, b/ R
tion site, this testosterone transfer was prevented.
: Y6 [4 h% q& u) c3 `Our patient’s testosterone level was 60 ng/mL,4 ^9 ^, P" O" [ q. P- n: M+ D
which was clearly high. Some studies suggest that$ ?3 A! C% Y( U% g* }9 n c7 D
dermal conversion of testosterone to dihydrotestos-
( q9 B3 j# _$ u. w# Q- _# R, Eterone, which is a more potent metabolite, is more7 u U+ V: S4 r8 P b' S
active in young children exposed to testosterone" D& U5 P W3 D# t9 _; z
exogenously7; however, we did not measure a dihy-+ d. @1 [0 h s# o
drotestosterone level in our patient. In addition to& N7 ?$ _8 r, }
virilization, exposure to exogenous testosterone in q' E& |' |, d: X: T8 n- C
children results in an increase in growth velocity and
) `0 m/ N5 c& A) _: M# cadvanced bone age, as seen in our patient.
1 l! M# v: ^$ ^- B% mThe long-term effect of androgen exposure during% f, C$ J- z% G9 Q c
early childhood on pubertal development and final
' v' t8 n" n% k( f" qadult height are not fully known and always remain' b* }) @3 ]8 j2 o+ S
a concern. Children treated with short-term testos-
3 d) G4 x( u- @6 gterone injection or topical androgen may exhibit some L9 v* {5 `% r; M% K+ _
acceleration of the skeletal maturation; however, after7 E3 Y1 D$ t" }+ w. L
cessation of treatment, the rate of bone maturation' B6 d, {- t) v. L
decelerates and gradually returns to normal.8,9- O% l1 P% g8 { z5 T
There are conflicting reports and controversy
a) c! [# x+ j- x' J! |over the effect of early androgen exposure on adult, g# P) E' p y2 ~, E4 Q. \
penile length.10,11 Some reports suggest subnormal/ W3 f: f( t' T5 C
adult penile length, apparently because of downreg-
9 Z4 x5 r; }* q2 f" T3 n$ [ulation of androgen receptor number.10,12 However,; W% l$ R) y; \. D
Sutherland et al13 did not find a correlation between
( J/ C! l& q6 g9 c. _4 `childhood testosterone exposure and reduced adult
/ `/ `3 i) A( ~4 C+ v8 u& i0 Zpenile length in clinical studies.
0 Z' i% d# i1 [! KNonetheless, we do not believe our patient is
# M# [# n; i$ D. Z5 Zgoing to experience any of the untoward effects from3 s4 ~9 ^0 {% \/ m# ]! e
testosterone exposure as mentioned earlier because
R2 B, R+ ^) M I* ~; O8 zthe exposure was not for a prolonged period of time.
7 d& A& x' S( P# G9 ~' m; p3 |& xAlthough the bone age was advanced at the time of
: R0 l/ a, \3 T- I& ]; }diagnosis, the child had a normal growth velocity at# I# R k# ?7 Q- b* K! |
the follow-up visit. It is hoped that his final adult1 I% t2 m' O' N9 t0 U0 V" I: [
height will not be affected.
1 S/ s, Q5 G5 P2 J7 q5 EAlthough rarely reported, the widespread avail-5 H, L7 m3 e" y+ R
ability of androgen products in our society may
4 {' c; u8 X' N+ W8 Y- E# Q$ S( lindeed cause more virilization in male or female
4 ~* m8 S4 z6 |/ b- Jchildren than one would realize. Exposure to andro-
7 r: q2 h# S( Ygen products must be considered and specific ques-& g- C7 e7 o, W: X/ S) _
tioning about the use of a testosterone product or
7 D9 }! k5 k4 e, l0 Pgel should be asked of the family members during
+ Z" \$ V) s: Jthe evaluation of any children who present with vir-% t' o9 o' @) m2 v$ ]
ilization or peripheral precocious puberty. The diag-8 ]# B1 G. w+ ]2 ]$ r" j. |8 i
nosis can be established by just a few tests and by
! C4 q/ G. Y, I0 @3 _& j* k4 }! rappropriate history. The inability to obtain such a0 x! T* S. h- ~2 M% d1 c; E# }
history, or failure to ask the specific questions, may1 f$ g$ q9 y/ V8 R* _7 @
result in extensive, unnecessary, and expensive
; c7 q2 o e% Q2 \2 w7 Y" iinvestigation. The primary care physician should be: Y, M. O; \, s0 p
aware of this fact, because most of these children
3 Y- |& o* w" G8 X2 Gmay initially present in their practice. The Physicians’
; f1 M4 J$ Z* L! \/ T% {Desk Reference and package insert should also put a8 x' a( Q. e3 V8 b4 J& c
warning about the virilizing effect on a male or2 k& a0 o% q. `) g Y8 [5 J
female child who might come in contact with some-
$ f% M5 i7 J \$ v8 z1 e: y1 Hone using any of these products.' f, S3 Q: d$ z. Y& q4 n
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4 B7 r# R4 ?2 ^! h, pEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
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& Y2 \( o1 x9 v+ Z, T4 y2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
! b2 ~2 c* U @ u, gpuberty in children with tumours of the suprasellar pineal
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3. Lee PA. Puberty and its disorders. In: Lifshitz F, ed.0 O- h0 j7 I' C1 b
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exposure to testosterone. Pediatrics. 1999;104:e23.. M3 g2 |/ `# s3 V. G) K
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Stanford, CA: Stanford University Press; 1959.
9 X0 C* P- q% N R6 ?5 H. z2 z6. Physicians’ Desk Reference. Androgel 1% testosterone,# l, S/ A+ b* S& x# @- l
Unimed Pharmaceutical Inc. Montvale, NJ: Medical
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