RT Journal Article SR Electronic T1 Methotrexate in the Treatment of Arthritis and Connective Tissue Disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 279 OP 279 VO 55 IS 3 A1 Alarcön, Graciela A1 Morgan, Sarahl A1 Acton, Ronald T. A1 Barger, Bruce O. A1 Koopman, William J. YR 1988 UL http://www.ccjm.org/content/55/3/279.1.abstract AB