Lactase persistence/non-persistence variants, C/T_13910 and G/A_22018, as a diagnostic tool for lactose intolerance in IBS patients - Silva, Carlos Felipe Bernardes; Pereira, Alexandre C; Mota, Glória de Fátima Alves da; Krieger, José Eduardo; Laudanna, Antônio Atílio (Clinica chimica acta, 2007)