the prostaglandins , pge-1 , pge-2 , pgf-1 alpha , pgf-2 alpha , 19-oh-pge- ( 1 + 2 ) , 19-oh-pgf-alpha were estimated by ria in the semen of ( a ) normal men of proven fertility ( total semen or split ejaculate ) ;
C0033554
prostaglandins
C0033559
pge