[Analysis and determination of impurities contained in gutta-percha cones].
D000965:Antimony / Q000032:analysis; D001151:Arsenic / Q000032:analysis; D006171:Gutta-Percha / Q000032:analysis
D006171:Gutta-Percha; D000965:Antimony; D001151:Arsenic
Analisis y determinación de impurezas contenidas en conos de gutapercha