title: Model study on the factorial derivation of the requirement of trace elements. Zince requirement of the growing rat.
mesh_terms: D000818:Animals; D004032:Diet; D005243:Feces / Q000032:analysis; D008297:Male; D009751:Nutritional Requirements; D051381:Rats; D015032:Zinc / Q000378:metabolism* / Q000652:urine
chemical_list: D015032:Zinc