title: Letter: Pentazocine problems.
mesh_terms: D006801:Humans; D007273:Injections, Intramuscular / Q000009:adverse effects; D010423:Pentazocine / Q000008:administration & dosage / Q000009:adverse effects*; D012598:Sclerosis / Q000139:chemically induced; D012871:Skin Diseases / Q000139:chemically induced*; D013997:Time Factors
chemical_list: D010423:Pentazocine