[Trace element requirement and deficiency].
D002857:Chromium / Q000172:deficiency; D003300:Copper / Q000172:deficiency; D006801:Humans; D000090463:Iron Deficiencies; D009751:Nutritional Requirements; D014131:Trace Elements / Q000172:deficiency; D015032:Zinc / Q000172:deficiency
D014131:Trace Elements; D002857:Chromium; D003300:Copper; D015032:Zinc
Spurenelementbedarf und-mangel.