Biologic therapy for Crohn’s disease over the last 3 decades

Table 1 Top 10 countries with the most publications

Country	Publication	TC	TC/Publication
United States	37	26179	708
Belgium	20	13325	666
France	9	6791	755
Germany	9	4768	530
Spain	6	2916	486
United Kingdom	5	1980	396
Netherlands	4	2408	602
Norway	2	1163	582
Canada	2	816	408
Switzerland	1	872	872

TC: Total citation.

Table 2 Top 10 institutions with the most publications

Institutions	Publication	TC	TC/Publication
University Hosp Gasthuisberg	23	17529	762
University of Chicago	20	19342	967
Mayo Clinic	17	14879	875
University of Western Ontario	15	14284	952
University of Amsterdam	12	9082	757
University of Calgary	11	7255	660
University of Pennsylvania	10	9086	909
University of Kiel	10	9066	907
University of California San Diego	9	4450	494
Abbott Labs	6	4614	769

TC: Total citation.

Table 3 Top 10 authors with the most publications

Authors	Publication	TC	TC/Publication
Rutgeerts P	32	26039	814
Sandborn WJ	23	18034	784
Feagan BG	18	16127	896
Colombel JF	18	14724	818
Hanauer SB	14	13785	985
D’haens G	13	8951	689
Van Assche G	13	8286	637
Vermeire S	12	6902	575
Sands BE	9	6988	776
Panaccione R	9	5976	664

TC: Total citation.

Table 4 Top 10 journals with the most publications

Journal	Publication	2020 IF	TC	TC/Publication
Gastroenterology	32	22.682	17654	552
New England Journal of Medicine	15	91.245	18379	1225
Gut	10	23.059	4693	469
Lancet	7	79.321	5988	855
Clinical Gastroenterology and Hepatology	6	11.382	2860	477
American Journal of Gastroenterology	5	10.864	1854	371
Journal of Crohn’s and Colitis	3	9.071	2397	799
Inflammatory Bowel Diseases	3	5.325	1127	376
Arthritis and Rheumatology	2	10.995	810	405
Annals of Internal Medicine	1	25.391	668	668

TC: Total citation; IF: Impact factor.