CHARACTERISTICS OF CHRONIC GASTRODUODENITIS PREVALENCE AND MORBIDITY INDEXES AND TENDENCY OF THEIR DYNAMICS IN KHARKOV AND DNEPROPETROVSK REGIONS. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. [Internet]. 2015 Jul. 4 [cited 2026 Oct. 25];(20):22-7. Available from: https://periodicals.karazin.ua/medicine/article/view/6907