title: Psoriasis: the new and the old.
authors.forename: Steven R
authors.initials: SR
authors.lastname: Feldman
mesh_terms: D003879:Dermatologic Agents / Q000008:administration & dosage*; D006801:Humans; D007279:Injections, Subcutaneous; D008727:Methotrexate / Q000008:administration & dosage*; D011565:Psoriasis / Q000188:drug therapy* / Q000473:pathology; D000069549:Ustekinumab / Q000627:therapeutic use*
chemical_list: D003879:Dermatologic Agents; D000069549:Ustekinumab; D008727:Methotrexate