this fluid was analyzed for prostaglandin e2 ( pge2 ) , prostaglandin f2a ( pgf2a ) , 13,14-dihydro-15 keto-pgf2a ( pgfm ) , and thromboxane b2 ( txb2 ) by radioimmunoassay ( ria ) .
C0012472
prostaglandin e2
C0033554
pgf2a