RT Journal Article SR Electronic T1 Methotrexate-induced nodulosis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E327 OP E327 DO 10.1503/cmaj.140852 VO 187 IS 10 A1 Shota Takashima A1 Mitsuhito Ota YR 2015 UL http://www.cmaj.ca/content/187/10/E327.abstract