title: Mechanisms of macronutrient deficiency and associated clinical conditions.
authors.affiliation: Section of Gastroenterology, Washington Hospital Center, Georgetown University School of Medicine, Washington, DC, USA.
authors.forename: Sean M
authors.initials: SM
authors.lastname: Karp
authors.forename: Timothy R
authors.initials: TR
authors.lastname: Koch
mesh_terms: D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000150:complications*; D011502:Protein-Energy Malnutrition / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology