THE PRIMARY HYPOLACTASIA FREQUENCY IN 7-12-YEAR-OLD ALBANIAN PUPILS IN F.R.Y.MACEDONIA. Global Journal of Medical Research, [S. l.], v. 11, n. 1, p. 13–16, 2011. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/37. Acesso em: 4 apr. 2026.