to investigate the response of cyclic nucleotides to the oxytocic agents administered for induction of labor , plasma concentrations of cyclic amp ( camp ) and cyclic gmp ( cgmp ) were determined by radioimmunoassay during spontaneous labor and labor induced by oxytocin ( ot ) , prostaglandin f2 alpha ( pgf2 alpha ) , or pge2 ( pge2 ) .
C0474461
spontaneous
C0022864
labor