STUDIES ON THE DEVELOPMENTAL STAGES OF TESTIS, SPERMATOGENESIS AND SPERMATOLEOSIS INLeiocassis longirosiris长吻鮠精巢发育的分期及精子的发生和形成
Study on the Development and Annual Change of Testis, Spermatogenesis andSpermatoleosis in Pelteobagrus fulvidraco黄颡鱼精巢发育和周年变化及精子的发生与形成