1Cribier A, eEltchaninoff H, Koning R, et ao. Percutanious me- chanicalmirtal, commissurotomy With a newly designed metallic Valvulotome. Im me diate results of the initial experience in 153 patients [ J ]. circulation, 1999,99:793 - 799.
2EF - Sayed MA, Anwar AM. Comparative study, between various methods of percutane ous transvenous mitral commissurotomy :metallic valvul ot ome, Inone balloon and double. balloon technique [ J]. Interven cavcliol, 2000, 13 : 357 - 364.
