title: Complications in pregnancy and labour--a comparison between referrals from peripheral clinic to base hospital in 1971 and 1976.
mesh_terms: D005260:Female; D006801:Humans; D008427:Maternal Health Services; D009721:Nurse Midwives / Q000193:education*; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011248:Pregnancy Complications; D012017:Referral and Consultation / Q000639:trends