title: Urinary excretion of copper, magnesium and zinc after gastric resection.
mesh_terms: D000328:Adult; D000368:Aged; D002940:Circadian Rhythm; D003300:Copper / Q000652:urine*; D005743:Gastrectomy; D006801:Humans; D008274:Magnesium / Q000652:urine*; D008875:Middle Aged; D011184:Postoperative Period; D013997:Time Factors; D015032:Zinc / Q000652:urine*
chemical_list: D003300:Copper; D008274:Magnesium; D015032:Zinc