author = { Najafi, Hassan AND Guynn, Todd AND Najafi, Chris AND Alden, Tord },

title = { Declining Risk of Reoperative Valvular Surgery },

publisher = {Hindawi Limited},

isbn = {0886-0440},

isbn = {1540-8191},

keywords = { Cardiology and Cardiovascular Medicine , Surgery , Pulmonary and Respiratory Medicine },

year = {1995},

url = { http://slubdd.de/katalog?TN_libero_mab2 }