Protocol for a multicentre, prospective, population-based cohort study of variation in practice of cholecystectomy and surgical outcomes (The CholeS study)
Crossref DOI link: https://doi.org/10.1136/bmjopen-2014-006399
Published Online: 2015-01-12
Published Print: 2015-01
Update policy: https://doi.org/10.1136/crossmarkpolicy
Vohra, Ravinder S
Spreadborough, Philip http://orcid.org/0000-0002-9364-6657
Johnstone, Marianne
Marriott, Paul
Bhangu, Aneel
Alderson, Derek
Morton, Dion G
Griffiths, Ewen A