rats received a superovulatory dose of pmsg ( 40 iu ) , a nonsuperovulatory dose of the same gonadotrophin ( 4 iu ) , or a continuous s.c. infusion over a 72-h period with a purified fsh preparation containing an optimum ratio of luteinizing hormone ( lh ) : fsh ( fsh-hcg ) .
C0018061
gonadotrophin
C0733758
fsh