title: Letter: Cancer at insulin injection site.
mesh_terms: D003920:Diabetes Mellitus / Q000188:drug therapy; D006801:Humans; D007279:Injections, Subcutaneous / Q000009:adverse effects*; D007328:Insulin / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D008637:Mesenchymoma / Q000139:chemically induced*; D012878:Skin Neoplasms / Q000139:chemically induced*
chemical_list: D007328:Insulin