00580naa#a2200193#i#450# EN\\bibl\15394 /en/manage/index 20241213063629.5 2409-3750 20170210b2017####ek#y0engy0150####ca RUS RU SEPARATION OF THE CHORD OF THE MITRAL VALVE Journal article Tula LLC Information and publishing center Innovations and investments 2017 0 с. Journal article local Kinyasheva Natalya Androsova M. test.editorum.ru /en/manage/index