two experiments were conducted to measure pituitary gonadotropins , hypothalamic-gonadotropin releasing hormone ( gnrh ) and pituitary response to gnrh during periods when serum luteinizing hormone ( lh ) was suppressed by estradiol-17 beta ( e2 ) in ovariectomized pigs .
C0018066
pituitary gonadotropins
C0018061
gonadotropin