title: Letter: Pneumothorax as complication of acupuncture.
mesh_terms: D015670:Acupuncture Therapy / Q000009:adverse effects*; D006801:Humans; D008881:Migraine Disorders / Q000628:therapy; D011030:Pneumothorax / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography