corpus luteum function in the cycling and the pregnant rhesus monkey ( macaca mulatta ) was evaluated through short term in vitro studies of progesterone production by suspensions of collagenase-dispersed luteal cells in the presence and absence of exogenous gonadotropin ( human chorionic gonadotropin , hcg ) .
C0018061
gonadotropin
C0018062
human chorionic gonadotropin