title: Age-related variations in hepatic iron, copper, zinc, and selenium concentrations in beagles.
mesh_terms: D000367:Age Factors; D000818:Animals; D003300:Copper / Q000032:analysis; D004285:Dogs / Q000378:metabolism*; D007501:Iron / Q000032:analysis; D008099:Liver / Q000032:analysis*; D012643:Selenium / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D014131:Trace Elements; D003300:Copper; D007501:Iron; D012643:Selenium; D015032:Zinc