title: O brother, where art thou? The case for siblings, environment, and inflammatory bowel disease.
authors.affiliation: Division of Gastroenterology, University of Pennsylvania School of Medicine, University of Pennsylvania Medical Center-Presbyterian, Philadelphia, USA.
authors.forename: Chinyu
authors.initials: C
authors.lastname: Su
mesh_terms: D016022:Case-Control Studies; D004781:Environmental Exposure; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000209:etiology* / Q000235:genetics / Q000382:microbiology; D010375:Pedigree; D035781:Siblings