Ledger, W J The use of a cervical dilatation graph in the management of primigravidae in labour. [electronic resource] - The Journal of obstetrics and gynaecology of the British Commonwealth Aug 1972 - 710-4 p. digital Publication Type: Journal Article ISSN: 0022-3204 Standard No.: 10.1111/j.1471-0528.1972.tb12905.x doi Subjects--Topical Terms: Amnion--surgeryCervix Uteri--physiologyCesarean SectionDilatationFemaleFetal DeathFetal HeartHumansLabor, InducedLabor, ObstetricObstetric Labor Complications--diagnosisOxytocin--therapeutic useParityPregnancyPregnancy, Prolonged--drug effects