title: Mechanical valves: current perspective.
authors.affiliation: Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India. asampath_kumar@hotmail.com
authors.forename: Arkalgud Sampath
authors.initials: AS
authors.lastname: Kumar
authors.forename: Velayudham
authors.initials: V
authors.lastname: Devagourou
mesh_terms: D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control; D011474:Prosthesis Design; D012086:Reoperation