Cais-SokoliƄska, D., Borski, K. ., & Lasik, . M. . (2011). Assessment of suitability of yoghurts produced in Poland for the diet of children and teenagers suffering from hypolactasia. Polish Journal of Public Health, 121(4), 407-411. https://czasopisma.umlub.pl/pjph/article/view/1995