TY JOUR TI CONSTITUTIONAL FEATURES OF THE COURSE OF CHRONIC GASTRODODUDENITIS ASSOCIATED WITH H.PYLORI IN CHILDREN KW constitution types KW chronic gastroduodenitis KW Helicobacter pylori KW asthenic KW normosthenic KW hypersthenic. JO Clinical Medicine and Pharmacology AU Balko, O.A. PY 2020 IS 6 PB LLC Information and publishing center Innovations and investments