to determine if vessel production of prostacyclin may be responsible , uterine and omental artery segments were obtained from four groups of sheep , nonpregnant ( np ) , pregnant ( p ; 131 +/- 4 d ) , early postpartum ( 2.2 +/- 0.4 d ) , and late postpartum ( 16 +/- 2 d ) , and incubated in krebs-henseleit alone or with ang ii in the absence or presence of saralasin .
C0003009
ang ii
C0036193
saralasin