[FORCEPS. MALMSTROM'S VACUUM EXTRACTOR. COMPARATIVE STUDY. PRELIMINARY COMMUNICATION].
D003142:Communication; D005113:Extraction, Obstetrical; D005260:Female; D006801:Humans; D009772:Obstetrical Forceps; D011247:Pregnancy; D014618:Vacuum
EXTRACTION, OBSTETRICAL; OBSTETRICAL FORCEPS; PREGNANCY
FORCEPS. EXTRACTOR AL VACIO DE MALMSTRON. ESTUDIO COMPARATIVO. COMUNICACI'ON PRELIMINAR.