title: Proceedings: Changes in serum zinc after operation.
mesh_terms: D006801:Humans; D009584:Nitrogen / Q000378:metabolism; D013514:Surgical Procedures, Operative; D013997:Time Factors; D014882:Water-Electrolyte Balance; D015032:Zinc / Q000097:blood*
chemical_list: D015032:Zinc; D009584:Nitrogen