RT Journal Article SR Electronic T1 In Reply: Guidelines for routine liver biopsy during methotrexate treatment JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 318 OP 318 VO 61 IS 4 A1 Brass, Eric P. YR 1994 UL http://www.ccjm.org/content/61/4/318.abstract AB