ÖZDEN, A.; UZUNALİMOĞLU, Ö.; AYDOĞDU, S.; BAŞPINAR, E.; SİPAHİ, N. Prevalence of Lactase Deficiency in Turkey. Turkish Journal of Gastroenterology, [S. l.], v. 3, n. 3, p. 445–449, 1992. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/137. Acesso em: 1 jan. 2026.