Contamination in trials of educational interventions
Citation
Keogh-Brown, M.R., Bachmann, M.O., Shepstone, L., Hewitt, C., Howe, A., Ramsay, C.R., Song, F., Miles, J.N.V., Torgerson, D.J., Miles, S., Elbourne, D., Harvey, I., and Campbell, M.J. (2007). Contamination in trials of educational interventions. Health Technology Assessment [Online], 11(43). Available from: http://www.ncchta.org/fullmono/mon1143.pdf [Accessed 8 February 2008].