00638naa#a2200193#i#450# EN\\bibl\53967 20241222200718.7 2070-8092 20221021b2022####ek#y0engy0150####ca RU DYNAMICS OF THE INCIDENCE OF THE DOWN SYNDROME IN THE REPUBLIC OF THE CRIMEA Journal article Simferopol V.I. Vernadsky Crimean Federal University 2022 5 с. Journal article local Врожденные пороки развития. 616-007-053.1 Kostritsov A. S. Demidenko L. A. Gorda M. V. cfuv.editorum.ru