1. Double-blind trial of prostaglandin E2 and oxytocin in induction of labour;Beazley, J.M.; Gillespie, A.;Lancet,1971
2. Prostaglandin E2 compared with oxytocin for the induction of labour;Craft, I.L.; Cullum, A.R.; May, D.T.,1971
3. Oral administration of prostaglandins for the induction of labour;Karim, S.M.M.; Sharma, S.D.,1971
4. Uterine priming with oral prostaglandin E2 prior to elective induction with oxytocin;Golbus, M.S.; Creasy, R.K.;Prostaglandins,1977
5. Pre-induction priming of the uterine cervix with oral prostaglandin E2 and placebo;Pearce, D.J.;Prostaglandins,1977