title: Fast-neutron activation analysis of silicon in sputum.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003937:Diagnosis, Differential; D006801:Humans; D012825:Silicon / Q000032:analysis*; D012829:Silicosis / Q000175:diagnosis*; D013183:Sputum / Q000032:analysis*; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*
chemical_list: D012825:Silicon