Forty years of obstetrics in general practice.
D000773:Anesthesia, Obstetrical; D036861:Delivery, Obstetric; D005194:Family Practice; D005260:Female; D006771:Hospitals, Maternity; D006801:Humans; D007743:Labor, Obstetric; D008880:Midwifery; D009774:Obstetrics; D010817:Physician-Patient Relations; D011247:Pregnancy; D011295:Prenatal Care; D006113:United Kingdom