1.
SCHNEIDER, S. A., SALEH, A. Yu. & DENGA, O. V. The state of mineralizing properties of the saliva in children with gastroesophageal reflux disease. Journal of Education, Health and Sport [online]. 31 August 2020, T. 10, nr 8, s. 518–525. [accessed 29.1.2023]. DOI 10.12775/JEHS.2020.10.08.063.