ROSZKOWSKI, I [CLINICAL USE OF THE POLYCARDIOGRAPHIC METHOD IN THE DIAGNOSIS OF MULTIPLE PREGNANCY]. [electronic resource] - Revue francaise de gynecologie et d'obstetrique - 517-24 p. digital Publication Type: Journal Article ISSN: 0035-290X Subjects--Topical Terms: ElectrocardiographyFemaleFetal HeartHumansPhonocardiographyPregnancyPregnancy, MultipleTwins