INTRODUCTION OF VACUUM EXTRACTOR (VE) IN THE INSTITUTE OF MIDWIFERY, HELSINKI.
D005113:Extraction, Obstetrical; D005260:Female; D005387:Finland; D006801:Humans; D008880:Midwifery; D009774:Obstetrics; D011247:Pregnancy; D014618:Vacuum
EXTRACTION, OBSTETRICAL; FINLAND; PREGNANCY