title: SEASONAL DIFFERENCES IN SPERMATOGENESIS AND OOGENESIS IN RANA PIPIENS.
mesh_terms: D000818:Animals; D001001:Anura; D005260:Female; D006801:Humans; D008297:Male; D009866:Oogenesis; D010053:Ovary; D010828:Physiology, Comparative; D011894:Rana pipiens; D012106:Research; D012621:Seasons; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis
keywords: EXPERIMENTAL LAB STUDY; FROGS; OVARY; PHYSIOLOGY, COMPARATIVE; SEASONS; SPERMATOZOA; TESTIS