00754naa#a2200217#i#450# EN\\bibl\90156 20241123112935.6 2413-046X 20241031b2024####ek#y0engy0150####ca RU THE STUDY OF THE STRUCTURE AND REGIONAL DIFFERENTIATION OF THE MORBIDITY RATE OF THE RUSSIAN POPULATION BY THE MAIN CLASSES OF DISEASES Journal article Moscow Electronic science 2024 18 с. Journal article local Эконометрия. 330.43 Pul'kin Igor' Sergeevich Sazonov Aleksey Ivanovich Chekalkin Nikolay Stepanovich Evseeva Olga Alekseevna Sokolaeva Nadezhda Nikolaevna ecience.ru