• 4890 Citations
  • 33 h-Index
1993 …2019

Research output per year

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Fingerprint Dive into the research topics where Thomas A. Ullman is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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  • Publications

    Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases

    Papamichael, K., Cheifetz, A. S., Melmed, G. Y., Irving, P. M., Vande Casteele, N., Kozuch, P. L., Raffals, L. E., Baidoo, L., Bressler, B., Devlin, S. M., Jones, J., Kaplan, G. G., Sparrow, M. P., Velayos, F. S., Ullman, T. & Siegel, C. A., Aug 2019, In : Clinical Gastroenterology and Hepatology. 17, 9, p. 1655-1668.e3

    Research output: Contribution to journalArticle

    Open Access
  • 14 Scopus citations

    Gut microbiota density influences host physiology and is shaped by host and microbial factors

    Contijoch, E. J., Britton, G. J., Yang, C., Mogno, I., Li, Z., Ng, R., Llewellyn, S. R., Hira, S., Johnson, C., Rabinowitz, K. M., Barkan, R., Dotan, I., Hirten, R. P., Fu, S. C., Luo, Y., Yang, N., Luong, T., Labrias, P. R., Lira, S., Peter, I. & 54 others, Grinspan, A., Clemente, J. C., Kosoy, R., Kim-Schulze, S., Qin, X., Castillo, A., Hurley, A., Atreja, A., Rogers, J., Fasihuddin, F., Saliaj, M., Nolan, A., Reyes-Mercedes, P., Rodriguez, C., Aly, S., Santa-Cruz, K., Peters, L., Suárez-Fariñas, M., Huang, R., Hao, K., Zhu, J., Zhang, B., Losic, B., Irizar, H., Song, W. M., Di Narzo, A., Wang, W., Cohen, B. L., DiMaio, C., Greenwald, D., Itzkowitz, S., Lucas, A., Marion, J., Maser, E., Ungaro, R., Naymagon, S., Novak, J., Shah, B., Ullman, T., Rubin, P., George, J., Legnani, P., Telesco, S. E., Friedman, J. R., Brodmerkel, C., Plevy, S., Cho, J. H., Colombel, J. F., Schadt, E. E., Argmann, C., Dubinsky, M., Kasarskis, A., Sands, B. & Faith, J. J., Jan 22 2019, In : eLife. 8

    Research output: Contribution to journalArticle

    Open Access
  • 17 Scopus citations

    No Association Between Pseudopolyps and Colorectal Neoplasia in Patients With Inflammatory Bowel Diseases

    Dutch Initiative on Crohn and Colitis, Apr 1 2019, In : Gastroenterology. 156, 5, p. 1333-1344.e3

    Research output: Contribution to journalArticle

  • 4 Scopus citations

    Statin exposure is not associated with reduced prevalence of colorectal neoplasia in patients with inflammatory bowel disease

    Shah, S. C., Glass, J., Giustino, G., Ten Hove, J. R., Castaneda, D., Torres, J., Kumar, A., Elman, J., Ullman, T. A. & Itzkowitz, S. H., Jan 1 2019, In : Gut and Liver. 13, 1, p. 54-61 8 p.

    Research output: Contribution to journalArticle

  • 3 Scopus citations

    Stopping 5-aminosalicylates in patients with ulcerative colitis starting biologic therapy does not increase the risk of adverse clinical outcomes: Analysis of two nationwide population-based cohorts

    Ungaro, R. C., Limketkai, B. N., Jensen, C. B., Allin, K. H., Agrawal, M., Ullman, T., Colombel, J. F. & Jess, T., Jun 1 2019, In : Gut. 68, 6, p. 977-984 8 p.

    Research output: Contribution to journalArticle

  • 6 Scopus citations