Jankowska PK, Jankowski KJ, Nowakowska L. Parents’ knowledge and attitudes of children treated at the University Children’s Hospital in Lublin towards influenza vaccinationw. J Educ Health Sport [Internet]. 2018 Jan. 21 [cited 2024 Jul. 27];8(1):95-108. Available from: https://apcz.umk.pl/JEHS/article/view/5174