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Comparison between the recovery time of alfentanil and fentanyl in balanced propofol sedation for gastrointestinal and colonoscopy: a prospective, randomized study

Wai-Meng Ho, Chia-Ming Yen, Chin-Hung Lan, Chung-Yi Lin, Su-Boon Yong, Kai-Lin Hwang and Ming-Chih Chou*

BMC Gastroenterology 2012, 12:164  doi:10.1186/1471-230X-12-164

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 25 May 2012
Reviewer's Report Massimo Agostoni 18 Aug 2012
Resubmission - Version 4 Manuscript Author's comment 24 Oct 2012
Resubmission - Version 5 Manuscript Author's comment 24 Oct 2012
Editorial acceptance 29 Oct 2012
Published 21 Nov 2012