TY - GEN AU - Konstantinov,B A AU - Ivanov,V A TI - [Surgical treatment of acquired defects of the aortic valve] SN - 0023-1207 PY - 1987///0626 KW - Aortic Valve KW - surgery KW - Aortic Valve Insufficiency KW - Humans KW - Suture Techniques N1 - Publication Type: Journal Article ER -