GASTROESOPHAGEAL REFLUX DISEASE IN CHILDREN WITH RECURRENT AND CHRONIC RESPIRATORY DISEASES: FREQUENCY AND INFORMATION CONTENT OF VARIOUS DIAGNOSTIC METHODS Статья Nguyen B.V., Ovsyannikov D., Ayrapetyan M.I., Gitinov S., Zhestkova M.A., Kovalenko I.V., Kurenkov I.V., Kurkin A.P., Manukyan S.R., Petryaykina E.E., Skvortsova T.A., Sokolov Y., Topilin O.G., Frolov P.A., Ho T.L. Pediatriya - Zhurnal im G.N. Speranskogo. Том 98. 2019. С. 15-22