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Kontopantelis E, Buchan I, Reeves D, Checkland K, Doran T.Kontopantelis E, et al. Among authors: checkland k.BMJ Open. 2013 Aug 2;3(8):e003190. doi: 10.1136/bmjopen-2013-003190.BMJ Open. 2013.PMID: 23913774Free PMC article.
McDonald R, Harrison S, Checkland K, Campbell SM, Roland M.McDonald R, et al. Among authors: checkland k.BMJ. 2007 Jun 30;334(7608):1357. doi: 10.1136/bmj.39238.890810.BE. Epub 2007 Jun 19.BMJ. 2007.PMID: 17580318Free PMC article.
Checkland K, Allen P, Coleman A, Segar J, McDermott I, Harrison S, Petsoulas C, Peckham S.Checkland K, et al.BMJ Open. 2013 Dec 10;3(12):e003769. doi: 10.1136/bmjopen-2013-003769.BMJ Open. 2013.PMID: 24327362Free PMC article.