title: The umbilical cord with single sac twins.
authors: Marion Toepke
authors: MT
authors: McLean
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008880:Midwifery / Q000379:methods*; D009321:Natural Childbirth / Q000451:nursing*; D024802:Nurse's Role; D018743:Perinatal Care / Q000379:methods; D011247:Pregnancy; D011256:Pregnancy Outcome; D014430:Twins, Monozygotic; D014470:Umbilical Cord / Q000502:physiology*