RT Journal Article SR Electronic T1 Methotrexate for psoriasis—two decades later JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 107 OP 110 VO 50 IS 2 A1 Henry H. Roenigk, Jr. YR 1983 UL http://www.ccjm.org/content/50/2/107.abstract AB