title: Pneumoretroperitoneum following acupuncture: is the pneumoretroperitoneum really developed after acupuncture?
authors.forename: Sang-Hun
authors.initials: SH
authors.lastname: Lee
mesh_terms: D015670:Acupuncture Therapy / Q000009:adverse effects* / Q000295:instrumentation; D000328:Adult; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000628:therapy; D055670:Medicine, Korean Traditional; D009339:Needles; D012188:Retropneumoperitoneum / Q000209:etiology*