Aasheim, Erlend T Vitamin status in morbidly obese patients: a cross-sectional study. [electronic resource] - The American journal of clinical nutrition Feb 2008 - 362-9 p. digital Publication Type: Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 0002-9165 Standard No.: 10.1093/ajcn/87.2.362 doi Subjects--Topical Terms: AdultAscorbic Acid--bloodCase-Control StudiesCross-Sectional StudiesFemaleHospitals, PublicHumansMaleMiddle AgedNorwayObesity, Morbid--bloodProspective StudiesRegression AnalysisVitamin B 6--bloodVitamin D--analogs & derivativesVitamin E--bloodVitamins--blood