DEFB1 gene 5' untranslated region (UTR) polymorphisms are marginally involved in inflammatory bowel disease in south Brazilians. - Wilson TJ; Jobim M; Segat L; Bianco AM; Salim PH; Portela P; Jobim LF; Damin DC; Schwartsmann G; Roesler R; Crovella S (International journal of immunogenetics, 2014)