title: Proton-induced x-ray analysis of trace elements in tissue sections.
mesh_terms: D001966:Bromine / Q000032:analysis*; D002118:Calcium / Q000032:analysis*; D002277:Carcinoma / Q000378:metabolism / Q000473:pathology; D003300:Copper / Q000032:analysis*; D005069:Evaluation Studies as Topic; D006651:Histocytochemistry; D006652:Histological Techniques; D006801:Humans; D007501:Iron / Q000032:analysis*; D007854:Lead / Q000032:analysis*; D008099:Liver / Q000032:analysis / Q000166:cytology; D008722:Methods; D009532:Nickel / Q000032:analysis*; D012516:Osteosarcoma / Q000378:metabolism; D011188:Potassium / Q000032:analysis*; D011522:Protons; D011874:Radiometry; D013961:Thyroid Gland / Q000032:analysis; D013964:Thyroid Neoplasms / Q000378:metabolism; D015032:Zinc / Q000032:analysis*
chemical_list: D011522:Protons; D007854:Lead; D003300:Copper; D009532:Nickel; D007501:Iron; D015032:Zinc; D011188:Potassium; D001966:Bromine; D002118:Calcium