[Experimental study on tarnishing of a Au-Ag-Pd-Cu alloy].
D003300:Copper; D003343:Corrosion; D003722:Dental Alloys; D006047:Gold Alloys; D010165:Palladium; D012834:Silver
D003722:Dental Alloys; D006047:Gold Alloys; D012834:Silver; D010165:Palladium; D003300:Copper