BLOOD ZINC LEVEL IN CHILDREN WITH COMBINED GASTROESOPHAGEAL REFLUX DISEASE AND CHRONIC GASTRODUODENAL PATHOLOGY
Olga Belousova, Nataliia Kirianchuk, Tetiana Zimnytska Pathology of the upper digestive tract is the most common among gastroenterological diseases in children of different ages and is 48-50 %. Recently, there has been an increase in combined lesions of the esophagus and organs of the gastroduodenal zone. Currently, microelements are considered to play a role in […]