00446 a2200133 4500020001500000082001600015100001800031245012600049260004800175300001900223650002900242650002400271650001700295 a8173191344 a572.81bGUR aGuraya, S. S. aCellular and molecular biology of gonadal development and maturation in mammalsbFundamentals and biomedical implications aLondonbNarosa Publishing Housec1998g1998 axi,346p.c25cm aLife sciences Biology aBiological genetics aBiochemistry