Holubar, S., Eisenstein, S., Bordeianou, L., Jia, X., Hull, T., Hyman, N., Lee, E., Messaris, E., Ramamoorthy, S., Saraidaridis, J., Scow, J., Shaffer, V., Smith, R., & Steinhagen, R. (n.d.). bIOLOGICS BEFORE SURGERY FOR IBD: ARE THEY ASSOCIATED WITH POST-OPERATIVE INFECTIOUS COMPLICATIONS? RESULTS FROM THE NATIONAL SURGICAL QUALITY IMPROVEMENT PROGRAM INFLAMMATORY BOWEL DISEASE COLLABORATIVE IN >1500 PATIENTS. Inflammatory bowel diseases, 27, S57–S58. http://access.bl.uk/ark:/81055/vdc_100121927516.0x00004a