Humańska, Marzena Agnieszka, Agata Ulenberg, Ktarzyna Betke, Grzegorz Ulenberg, Danuta Ponczek, Agnieszka Pluta, Monika Kowlaska, and Miroslawa Felsmann. 2018. “The Impact of Diet on Gastroesophageal Reflux Disease in Patients at an Early Age”. Journal of Education, Health and Sport 8 (5):226-34. https://apcz.umk.pl/JEHS/article/view/5497.