the influence of prostaglandins ( pgs ) on the synthesis of collagen and proteoglycans in the human cervix was estimated by incubation in vitro of cervical biopsy samples in the presence of tritiated amino acids and glucosamine after addition of pge2 , pgf2 alpha and 6-keto-pgf1 alpha .
C0033554
prostaglandins
C0012472
pge2