prostaglandin f2 alpha ( pgf2 alpha ) metabolite ( 13,14-dihydro-15-keto pgf2 alpha ) and prostaglandin e2 ( pge2 ) were assayed in the cul-de-sac fluid aspirated from 15 patients with endometriosis , in saline peritoneal washings of 5 patients with unexplained infertility , and in 5 control subjects .
C0013075
cul-de-sac
C0031153
peritoneal