title: Effect of beryllium exposure on PPD cellular immunity in guinea pigs.
mesh_terms: D000818:Animals; D001608:Beryllium / Q000633:toxicity*; D006168:Guinea Pigs; D007111:Immunity, Cellular / Q000187:drug effects*; D014373:Tuberculin / Q000276:immunology*
chemical_list: D014373:Tuberculin; D001608:Beryllium