prostaglandin e2 induced histological changes in the cultured follicles comparable to those induced by human chorionic gonadotrophin ( hcg ) and the increase in the number of oocytes undergoing preovulatory maturation over the control value was the same irrespective of the treatment ( pge2 alone , hcg alone , or pge2+hcg ) .
C0012472
prostaglandin e2
C0033554
pge2