comparative effects of homoplastic pituitary pars distalis homogenate ( pdh ) , pregnant mare serum gonadotrophin ( pmsg ) , human chorionic gonadotrophin ( hcg ) , growth hormone ( gh ) , pmsg + gh , and hcg + gh on oocyte recruitment and development in the long-term hypophysectomized frog , rana cyanophlyctis ( schn ) .
C0037663
gh
C0169964
hcg