00598naa#a2200169#i#450# EN\\bibl\72829 20241105110116.2 2409-3750 20231226b2023####ek#y0engy0150####ca RU A clinical case of iron deficiency anemia in an elderly patient with a complicated cardiovascular history Journal article Tula LLC Information and publishing center Innovations and investments 2023 3 с. Journal article local Медицина. Охрана здоровья. 61 Rapcun M. N. zh-szf.ru