title: Nursing care study: aortic valve replacement.
mesh_terms: D001021:Aortic Valve / Q000637:transplantation*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013527:Perioperative Nursing; D014184:Transplantation, Homologous