Grabinska, Marta, Dorota Efta, Ewa Barczykowska, and Andrzej Kurylak. 2015. “Attitudes of Children With Cystic Fibrosis or Asthma to Own Illness”. Nursing in the 21st Century 13 (4(49): 18-22. https://czasopisma.umlub.pl/piel21w/article/view/2629.