Lang, P THE VACUUM-EXTRACTOR. II. VALUE IN RELATION TO FORCEPS AND RANGE OF INDICATIONS. [electronic resource] - Acta obstetricia et gynecologica Scandinavica 1964 - 57-85 p. digital Publication Type: Journal Article ISSN: 0001-6349 Subjects--Topical Terms: Cesarean SectionExtraction, ObstetricalFemaleHumansInfant MortalityMaternal MortalityObstetric Labor ComplicationsObstetrical ForcepsPregnancyPregnancy ComplicationsStatistics as TopicVacuum