Hamaguchi M, Kojima T, Takeda N, Nakagawa T, Taniguchi H, Fujii K, Omatsu T, Nakajima T, Sarui H, Shimazaki M, Kato T, Okuda J, Ida K (2005). «The metabolic syndrome as a predictor of nonalcoholic fatty liver disease». Ann. Intern. Med.143 (10): 722-8. PMID16287793.