00545naa#a2200157#i#450# EN\\bibl\9084 20241104153522.1 20230216b2023####ek#y0engy0150####ca RU LACTASE DEFICIENCY IN RUSSIA: MULTIETHNIC GENETIC STUDY Conference article/thesis Kemerovo Kemerovo State University 2023 2 с. Conference article/thesis local Медицина. Охрана здоровья. Пожарное дело. 61 Kovalenko E. vestnik-pses.kemsu.ru