title: [Ni-Cr and stainless steel alloys. Tarnishing and loss of brightness--in vitro study].
mesh_terms: D002858:Chromium Alloys; D003343:Corrosion; D009556:Niobium; D013193:Stainless Steel
chemical_list: D002858:Chromium Alloys; D009556:Niobium; D013193:Stainless Steel
vernacular_title: Ligas de Ni-Cr e aco inox. Deslustre e perda de brilho--estudo in vitro.