K. Kingsley, G. Galbraith, M. Herring, E. Stowers, T. Stewart, and K. Kingsley. BMC medical education, (January 2011)6676<br/>JID: 101088679; OID: NLM: PMC3097006; 2010/06/29 received; 2011/04/25 accepted; 2011/04/25 aheadofprint; epublish;<br/>Cerca bibliogràfica.