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Dive into the research topics where Jacob Ollech is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Definitions, diagnosis, management, and outcomes of upper gastrointestinal Crohn's disease: an international, expert RAND/UCLA appropriateness study
Study of Upper Gastrointestinal Manifestations and Management of Crohn's Disease (SUMM-CD) Group, 1 Mar 2026, In: The Lancet Gastroenterology and Hepatology. 11, 3, p. 243-255 13 p.Research output: Contribution to journal › Review article › peer-review
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Diagnosis and Management of Upper Gastrointestinal Involvement in Adult Patients With Crohn’s Disease: A Systematic Review
Cohen, N. A., Sror, N., Naseer, M., Bettenworth, D., Lu, C., Khedraki, R., Abreu, M. T., Atreya, R., Al-Bawardy, B., Connor, S. J., d’Haens, G., Dotan, I., Dignass, A., El Ouali, S., Feagan, B., Feakins, R., Gearry, R., Gordon, I. O., Hedin, C. & Kobayashi, T. & 16 others, , Apr 2026, In: Clinical Gastroenterology and Hepatology. 24, 4, p. 932-948 17 p.Research output: Contribution to journal › Article › peer-review
Open Access7 Scopus citations -
Serum Chitinase 3-like-1 (CHI3L1) Has Good Correlation with Fecal Calprotectin Levels in Pregnant IBD Patients
Schweistein, H., Gingold-Belfer, R., Rave, A., Glusman-Bendersky, A., Amir-Barak, H., Ollech, J. E. & Bar-Gil Shitrit, A., Mar 2026, In: Journal of Personalized Medicine. 16, 3, 145.Research output: Contribution to journal › Article › peer-review
Open Access -
Anti-tumor Necrosis Factor Drug Concentration Is Not Associated with Disease Outcomes in Pouchitis: A Retrospective, International Study
the International Consortium for Therapeutic Drug Monitoring (spECTRUM), Apr 2025, In: Digestive Diseases and Sciences. 70, 4, p. 1320-1327 8 p.Research output: Contribution to journal › Article › peer-review
Open Access2 Scopus citations -
Discordant Effects of Janus Kinase Inhibition Ex Vivo on Inflammatory Responses in Colonic Compared to Ileal Mucosa
Kaboub, K., Abu-Taha, H., Arrouasse, J., Shaham-Barda, E., Wasserberg, N., Hayman-Manzur, L., Friedenberg, A., Levy-Barda, A., Goren, I., Levi, Z., Banai-Eran, H., Avni-Biron, I., Ollech, J. E., Sharar-Fischler, T., Yanai, H., Cohen-Kedar, S., Dotan, I. & Rabinowitz, K. M., 1 Jan 2025, In: Journal of Crohn's and Colitis. 19, 1, jjae117.Research output: Contribution to journal › Article › peer-review
4 Scopus citations