TY - JOUR T1 - Methotrexate and trimethoprim-sulfamethoxazole JF - Canadian Family Physician JO - Can Fam Physician SP - 53 LP - 56 VL - 60 IS - 1 AU - Jessica Cudmore AU - Matthew Seftel AU - Jeffrey Sisler AU - Ryan Zarychanski Y1 - 2014/01/01 UR - http://www.cfp.ca/content/60/1/53.abstract N2 - ER -