Xu, Cheng-Fu Is cigarette smoking an independent risk factor or a cofactor for nonalcoholic fatty liver disease? [electronic resource] - Hepatology (Baltimore, Md.) Aug 2010 - 803-4 p. digital Publication Type: Comment; Letter ISSN: 1527-3350 Standard No.: 10.1002/hep.23644 doi Subjects--Topical Terms: Cross-Sectional StudiesFatty Liver--etiologyFemaleHumansMaleMiddle AgedRisk FactorsSmoking--adverse effects