Peroxisome proliferator-activated receptors alpha and gamma2 polymorphisms in nonalcoholic fatty liver disease: a study in Brazilian patients - Domenici, Fernanda Aparecida; Brochado, Maria José Franco; Martinelli, Ana de Lourdes Candolo; Zucoloto, Sérgio; Cunha, Selma Freire de Carvalho da; Vannucchi, Hélio (Gene, 2013)