MusiaÅ‚, B., Marasz, A., BrodziÅ„ska, B., & Czaja-Bulsa, G. (2017). Symptoms occurring after consuming milk among children, youth and students with hypolactasia. International Journal of Nursing Didactics, 7(01), 07–12. https://doi.org/10.15520/ijnd.2017.vol7.iss01.181.07-12