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