title: Study examines link between low levels of zinc and survival.
mesh_terms: D000328:Adult; D018791:CD4 Lymphocyte Count; D003300:Copper / Q000097:blood; D015658:HIV Infections / Q000097:blood* / Q000503:physiopathology; D006801:Humans; D016019:Survival Analysis; D015032:Zinc / Q000008:administration & dosage / Q000097:blood*
chemical_list: D003300:Copper; D015032:Zinc