00640naa#a2200181#i#450# EN\\bibl\47958 20250218132908.2 2409-3750 20211223b2021####ek#y0engy0150####ca RU A case of early diagnosis of toxic cardiomyopathy in a patient receiving tamoxifen for breast cancer Journal article Tula LLC Information and publishing center Innovations and investments 2021 3 с. Journal article local Медицина. Охрана здоровья. 61 Gvela Yu. N. Kinyasheva Natal'ya Borisovna zh-szf.ru