title: Petersen's hernia after laparoscopic Roux-en-Y gastric bypass-case report, diagnostic sign, and proposed classification system.
authors.affiliation: Gravitas, Liverpool, UK.
authors.forename: Conor
authors.initials: C
authors.lastname: Magee
authors.forename: Robert
authors.initials: R
authors.lastname: Macadam
authors.forename: David D
authors.initials: DD
authors.lastname: Kerrigan
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D015390:Gastric Bypass / Q000009:adverse effects*; D006547:Hernia / Q000145:classification / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D010535:Laparoscopy / Q000009:adverse effects*; D009765:Obesity / Q000601:surgery*; D010529:Peritoneal Cavity; D011183:Postoperative Complications; D015431:Weight Loss