title: Epidural air-filled bubbles and unblocked segments.
authors: A P
authors: AP
authors: Boezaart
authors: B J
authors: BJ
authors: Levendig
mesh_terms: D000293:Adolescent; D000388:Air; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D004824:Epidural Space / Q000000981:diagnostic imaging; D005260:Female; D006119:Groin; D006801:Humans; D011247:Pregnancy; D011859:Radiography