title: Can methotrexate replace cyclophosphamide in the treatment of a subset of Wegener's granulomatosis and microscopic polyangiitis?
authors.affiliation: Cleveland Clinic Foundation, OH 44195, USA. hoffmag@ccf.org
authors.forename: Gary S
authors.initials: GS
authors.lastname: Hoffman
authors.forename: Carol A
authors.initials: CA
authors.lastname: Langford