DOBRZYŃSKI, M.; CZARNOTA, J.; SOKÓŁ, D.; SKUBEL, T.; STANDYŁO, A.; PIECEWICZ-SZCZĘSNA, H. Zinc lozenges efficacy in cold treatment. Journal of Education, Health and Sport, [S. l.], v. 9, n. 9, p. 299–305, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/7395. Acesso em: 1 dec. 2023.