1. Aspirin and indomethacin prolong parturition in rats: evidence that prostaglandins contribute to expulsion of foetus;Aiken;Nature, Lond.,1972
2. The production of prostaglandin F2α by the uterus of the sheep;Amoroso;J. Endocr.,1973
3. Studies on the analysis and metabolism of the prostaglandins;änggård;Ann. N.Y. Acad. Sci.,1971
4. Increased inactivation of prostaglandin E2 by the rabbit lung during pregnancy;Bedwani;Br. J. Pharmac.,1974
5. The effects of exogenous progesterone and estradiol on prostaglandin F levels in ovariectomized ewes;Caldwell;Prostaglandins,1972