DIAGNOSIS OF DISEASE INTERNAL ORGANS v. 10 DIAGNOSIS OF DISEASE heart and vessels. Congenital heart disease, VIOLATIONS rhythm and conduction, the tumor / DIAGNOSTIKA BOLEZNEY VNUTRENNIKh ORGANOV T.10 DIAGNOSTIKA BOLEZNEY SERDTsA I SOSUDOV. VROZhDENNYE POROKI SERDTsA, NARUShENIYa RITMA I PROVODIMOSTI, OPUKhOLI