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{'id': 'https://openalex.org/W2957466491', 'doi': 'https://doi.org/10.1007/s00595-019-01845-2', 'title': 'Changes in the rate of and trends in colectomy for ulcerative colitis during the era of biologics and calcineurin inhibitors based on a Japanese nationwide cohort study', 'display_name': 'Changes in the rate of and trends in colectomy for ulcerative colitis during the era of biologics and calcineurin inhibitors based on a Japanese nationwide cohort study', 'publication_year': 2019, 'publication_date': '2019-07-15', 'ids': {'openalex': 'https://openalex.org/W2957466491', 'doi': 'https://doi.org/10.1007/s00595-019-01845-2', 'mag': '2957466491', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/31309329'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/s00595-019-01845-2', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S125466547', 'display_name': 'Surgery Today', 'issn_l': '0941-1291', 'issn': ['0941-1291', '1436-2813'], 'is_oa': 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