Keep, preserve, replace.
Grinberg
Max
M
Instituto do Coração, Hospital das Clínicas, FMUSP, São Paulo, SP, Brazil. grinberg@incor.usp.br
Pommerantzeff
Pablo M A
PM
D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index