00532naa#a2200169#i#450# EN\\bibl\46818 20240502213025.4 2409-3750 20211109b2021####ek#y0engy0150####ca RU The problem of pain in rheumatology Journal article Tula LLC Information and publishing center Innovations and investments 2021 6 с. Journal article local Медицина. Охрана здоровья. 61 Fleyshman A. V. naukaru.ru