For citations:

Sosina S.S., Chibyeva L.G., Petrova M.N., Markova S.V. Daily pH-monitoring for diagnosis of gastroesophageal reflux disease in children. Vestnik of North-Eastern Federal University. Medical Sciences. 2019;(1):33-36. (In Russ.) https://doi.org/10.25587/SVFU.2019.1(14).27474