title: Childhood-onset pityriasis rubra pilaris treated with methotrexate administered intravenously.
mesh_terms: D000328:Adult; D005500:Follow-Up Studies; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage* / Q000627:therapeutic use; D010916:Pityriasis Rubra Pilaris / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D008727:Methotrexate