Cord round the neck. An evaluation of its significance.
D005260:Female; D005315:Fetal Diseases / Q000209:etiology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000209:etiology*; D013223:Statistics as Topic; D014470:Umbilical Cord / Q000002:abnormalities*