KRAWCZYK, M.; WOLSKA, M.; SCHWARTZ, S.; GRUENHAGE, F.; TERJUNG, B.; PORTINCASA, P.; SAUERBRUCH, T.; LAMMERT, F. Concordance of Genetic and Breath Tests for Lactose Intolerance in a Tertiary Referral Centre. Journal of Gastrointestinal and Liver Diseases, [S. l.], v. 17, n. 2, p. 135–139, 2008. Disponível em: https://jgld.ro/jgld/index.php/jgld/article/view/2008.2.1. Acesso em: 13 mar. 2026.