title: Should valve evaluation be undertaken in different populations from different countries?
authors.affiliation: Centre of Cardiothoracic Surgery, Coimbra, Portugal. antunes.cct.huc@mail.telepac.pt
authors.forename: Manuel J
authors.initials: MJ
authors.lastname: Antunes
mesh_terms: D001705:Bioprosthesis; D003906:Developing Countries; D018795:Device Approval; D019544:Equipment Failure Analysis / Q000379:methods; D006350:Heart Valve Prosthesis; D006801:Humans; D008422:Materials Testing / Q000379:methods*; D044382:Population Groups