the stimulation of ovulation can be blocked by indomethacin and restored by the subsequent addition of several primary prostaglandins ( goetz and theofan 1979 ) .in the present investigation , medium levels of prostaglandin f ( pgf ) and e ( pge ) were measured by radioimmunoassay duringin vitro 17alpha,20beta-p-induced ovulation of perch oocytes .
C0033554
prostaglandins
C0033559
pge