[Better than gold? Cast alloys of silver and tin].
D000497:Alloys / Q000592:standards; D003723:Dental Amalgam / Q000592:standards; D006047:Gold Alloys / Q000592:standards
D000497:Alloys; D006047:Gold Alloys; D003723:Dental Amalgam
Mejor que el oro? Aleacion colada de plata y estaño.