title: Failed epidural in an obese patient--blame it on Pythagoras!
authors: C
authors: C
authors: Wasson
mesh_terms: D000328:Adult; D015360:Analgesia, Epidural / Q000295:instrumentation*; D016362:Analgesia, Obstetrical / Q000295:instrumentation*; D005260:Female; D005548:Foreign-Body Migration / Q000209:etiology*; D006801:Humans; D009765:Obesity / Q000150:complications*; D011247:Pregnancy; D011248:Pregnancy Complications