(Q53977028)
Statements
Seasonal changes in spermatogenesis and testicular steroidogenesis in the male black bear Ursus americanus. (English)
T Tsubota
L Howell-Skalla
H Nitta
Y Osawa
J I Mason
P G Meiers
R A Nelson
J M Bahr
1 January 1997
109
1
21-27