Trace elements.
D003300:Copper / Q000172:deficiency / Q000378:metabolism; D006801:Humans; D008664:Metal Metabolism, Inborn Errors; D014131:Trace Elements / Q000172:deficiency / Q000378:metabolism*; D015032:Zinc / Q000172:deficiency / Q000378:metabolism
D014131:Trace Elements; D003300:Copper; D015032:Zinc