{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T16:07:07Z","timestamp":1793030827656,"version":"4.5.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"11","license":[{"start":{"date-parts":[[2009,11,1]],"date-time":"2009-11-01T00:00:00Z","timestamp":1257033600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2009,11,1]],"date-time":"2009-11-01T00:00:00Z","timestamp":1257033600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["cghjournal.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Clinical Gastroenterology and Hepatology"],"published-print":{"date-parts":[[2009,11]]},"DOI":"10.1016\/j.cgh.2009.07.013","type":"journal-article","created":{"date-parts":[[2009,7,23]],"date-time":"2009-07-23T07:09:12Z","timestamp":1248332952000},"page":"1217-1223","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":86,"title":["Fewer Polyps Detected by Colonoscopy as the Day Progresses at a Veteran's Administration Teaching Hospital"],"prefix":"10.1016","volume":"7","author":[{"given":"Michael Y.","family":"Chan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hartley","family":"Cohen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brennan M.R.","family":"Spiegel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.cgh.2009.07.013_bib1","first-page":"106","article-title":"Cancer statistics, 2006","volume":"56","author":"Jemal","year":"2006","journal-title":"CA Cancer J Clin"},{"key":"10.1016\/j.cgh.2009.07.013_bib2","doi-asserted-by":"crossref","first-page":"544","DOI":"10.1053\/gast.2003.50044","article-title":"Colorectal cancer screening and surveillance: clinical guidelines and rationale: update based on new evidence","volume":"124","author":"Winawer","year":"2003","journal-title":"Gastroenterology"},{"key":"10.1016\/j.cgh.2009.07.013_bib3","doi-asserted-by":"crossref","first-page":"1977","DOI":"10.1056\/NEJM199312303292701","article-title":"Prevention of colorectal cancer by colonoscopic polypectomy: the National Polyp Study Workgroup","volume":"329","author":"Winawer","year":"1993","journal-title":"N Engl J Med"},{"key":"10.1016\/j.cgh.2009.07.013_bib4","doi-asserted-by":"crossref","first-page":"1741","DOI":"10.1001\/archinte.1995.00430160065007","article-title":"Protection by endoscopy against death from colorectal cancer: a case-control study among veterans","volume":"155","author":"Muller","year":"1995","journal-title":"Arch Intern Med"},{"key":"10.1016\/j.cgh.2009.07.013_bib5","doi-asserted-by":"crossref","first-page":"653","DOI":"10.1056\/NEJM199203053261001","article-title":"A case-control study of screening sigmoidoscopy and mortality from colorectal cancer","volume":"326","author":"Selby","year":"1992","journal-title":"N Engl J Med"},{"key":"10.1016\/j.cgh.2009.07.013_bib6","doi-asserted-by":"crossref","first-page":"812","DOI":"10.1136\/gut.48.6.812","article-title":"Efficacy in standard clinical practice of colonoscopic polypectomy in reducing colorectal cancer incidence","volume":"48","author":"Citarda","year":"2001","journal-title":"Gut"},{"key":"10.1016\/j.cgh.2009.07.013_bib7","doi-asserted-by":"crossref","first-page":"1296","DOI":"10.1111\/j.1572-0241.2002.05812.x","article-title":"Quality in the technical performance of colonoscopy and the continuous quality improvement process for colonoscopy: recommendations of the U.S. Multi-Society Task Force on Colorectal Cancer","volume":"97","author":"Rex","year":"2002","journal-title":"Am J Gastroenterol"},{"key":"10.1016\/j.cgh.2009.07.013_bib8","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1067\/mge.2003.294","article-title":"Impact of colonoscopy preparation quality on detection of suspected colonic neoplasia","volume":"58","author":"Harewood","year":"2003","journal-title":"Gastrointest Endosc"},{"key":"10.1016\/j.cgh.2009.07.013_bib9","doi-asserted-by":"crossref","first-page":"378","DOI":"10.1016\/S0016-5107(04)02776-2","article-title":"Impact of colonic cleansing on quality and diagnostic yield of colonoscopy: the European Panel of Appropriateness of Gastrointestinal Endoscopy European multicenter study","volume":"61","author":"Froehlich","year":"2005","journal-title":"Gastrointest Endosc"},{"key":"10.1016\/j.cgh.2009.07.013_bib10","doi-asserted-by":"crossref","first-page":"678","DOI":"10.1016\/j.dld.2007.02.012","article-title":"Factors associated with the technical performance of colonoscopy: an EPAGE Study","volume":"39","author":"Harris","year":"2007","journal-title":"Dig Liver Dis"},{"key":"10.1016\/j.cgh.2009.07.013_bib11","doi-asserted-by":"crossref","first-page":"2726","DOI":"10.1111\/j.1572-0241.2006.00887.x","article-title":"Afternoon colonoscopies have higher failure rates than morning colonoscopies","volume":"101","author":"Sanaka","year":"2006","journal-title":"Am J Gastroenterol"},{"key":"10.1016\/j.cgh.2009.07.013_bib12","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1186\/1471-230X-7-19","article-title":"Comparison of morning versus afternoon cecal intubation rates","volume":"7","author":"Wells","year":"2007","journal-title":"BMC Gastroenterol"},{"key":"10.1016\/j.cgh.2009.07.013_bib13","series-title":"To err is human","author":"Medicine","year":"2000"},{"key":"10.1016\/j.cgh.2009.07.013_bib14","doi-asserted-by":"crossref","first-page":"785","DOI":"10.7326\/0003-4819-144-11-200606060-00004","article-title":"The effects of coffee and napping on nighttime highway driving: a randomized trial","volume":"144","author":"Philip","year":"2006","journal-title":"Ann Intern Med"},{"key":"10.1016\/j.cgh.2009.07.013_bib15","doi-asserted-by":"crossref","first-page":"1249","DOI":"10.1056\/NEJMsa020846","article-title":"Patient safety: fatigue among clinicians and the safety of patients","volume":"347","author":"Gaba","year":"2002","journal-title":"N Engl J Med"},{"key":"10.1016\/j.cgh.2009.07.013_bib16","doi-asserted-by":"crossref","first-page":"1281","DOI":"10.1097\/00000542-200211000-00035","article-title":"Fatigue in anesthesia: implications and strategies for patient and provider safety","volume":"97","author":"Howard","year":"2002","journal-title":"Anesthesiology"},{"key":"10.1016\/j.cgh.2009.07.013_bib17","doi-asserted-by":"crossref","first-page":"1191","DOI":"10.1016\/S0140-6736(98)00034-8","article-title":"Effect of sleep deprivation on surgeons' dexterity on laparoscopy simulator","volume":"352","author":"Taffinder","year":"1998","journal-title":"Lancet"},{"key":"10.1016\/j.cgh.2009.07.013_bib18","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/S0002-9610(03)00183-1","article-title":"Effect of sleep deprivation on the performance of simulated laparoscopic surgical skill","volume":"186","author":"Eastridge","year":"2003","journal-title":"Am J Surg"},{"key":"10.1016\/j.cgh.2009.07.013_bib19","doi-asserted-by":"crossref","first-page":"1342","DOI":"10.1016\/j.cgh.2008.06.014","article-title":"Gastrointestinal endoscopy nurse experience and polyp detection during screening colonoscopy","volume":"6","author":"Dellon","year":"2008","journal-title":"Clin Gastroenterol Hepatol"},{"key":"10.1016\/j.cgh.2009.07.013_bib20","series-title":"A review of issues concerning duty period limitations, flight time limitations, and rest requirements","year":"1998"},{"key":"10.1016\/j.cgh.2009.07.013_bib21","doi-asserted-by":"crossref","first-page":"1027","DOI":"10.1001\/jama.299.9.1027","article-title":"Prevalence of nonpolypoid (flat and depressed) colorectal neoplasms in asymptomatic and symptomatic adults","volume":"299","author":"Soetikno","year":"2008","journal-title":"JAMA"},{"key":"10.1016\/j.cgh.2009.07.013_bib22","doi-asserted-by":"crossref","first-page":"AB89","DOI":"10.1016\/j.gie.2008.03.070","article-title":"Fellow participation increases adenoma detection rate during colonoscopy","volume":"67","author":"Rogart","year":"2008","journal-title":"Gastrointest Endosc"},{"key":"10.1016\/j.cgh.2009.07.013_bib23","doi-asserted-by":"crossref","first-page":"2959","DOI":"10.1001\/jama.290.22.2959","article-title":"Risk factors for advanced colonic neoplasia and hyperplastic polyps in asymptomatic individuals","volume":"290","author":"Lieberman","year":"2003","journal-title":"JAMA"},{"key":"10.1016\/j.cgh.2009.07.013_bib24","doi-asserted-by":"crossref","first-page":"1797","DOI":"10.1111\/j.1572-0241.2001.03874.x","article-title":"Predictors of inadequate bowel preparation for colonoscopy","volume":"96","author":"Ness","year":"2001","journal-title":"Am J Gastroenterol"},{"key":"10.1016\/j.cgh.2009.07.013_bib25","doi-asserted-by":"crossref","first-page":"2297","DOI":"10.1053\/j.gastro.2007.03.032","article-title":"Factors associated with incomplete colonoscopy: a population-based study","volume":"132","author":"Shah","year":"2007","journal-title":"Gastroenterology"},{"key":"10.1016\/j.cgh.2009.07.013_bib26","doi-asserted-by":"crossref","first-page":"856","DOI":"10.1111\/j.1572-0241.2006.01054.x","article-title":"Endoscopist can be more powerful than age and male gender in predicting adenoma detection at colonoscopy","volume":"102","author":"Chen","year":"2007","journal-title":"Am J Gastroenterol"},{"key":"10.1016\/j.cgh.2009.07.013_bib27","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1007\/s10620-005-1276-y","article-title":"Relationship of colonoscopy completion rates and endoscopist features","volume":"50","author":"Harewood","year":"2005","journal-title":"Dig Dis Sci"},{"key":"10.1016\/j.cgh.2009.07.013_bib28","doi-asserted-by":"crossref","first-page":"2533","DOI":"10.1056\/NEJMoa055498","article-title":"Colonoscopic withdrawal times and adenoma detection during screening colonoscopy","volume":"355","author":"Barclay","year":"2006","journal-title":"N Engl J Med"}],"container-title":["Clinical Gastroenterology and Hepatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1542356509006697?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1542356509006697?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T05:05:00Z","timestamp":1761541500000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1542356509006697"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,11]]},"references-count":28,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2009,11]]}},"alternative-id":["S1542356509006697"],"URL":"https:\/\/doi.org\/10.1016\/j.cgh.2009.07.013","relation":{},"ISSN":["1542-3565"],"issn-type":[{"value":"1542-3565","type":"print"}],"subject":[],"published":{"date-parts":[[2009,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Fewer Polyps Detected by Colonoscopy as the Day Progresses at a Veteran's Administration Teaching Hospital","name":"articletitle","label":"Article Title"},{"value":"Clinical Gastroenterology and Hepatology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cgh.2009.07.013","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"https:\/\/doi.org\/10.1016\/j.cgh.2009.09.012","name":"associatedlink","label":"CrossRef DOI link to the associated document"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2009 AGA Institute. Published by Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}