Dregan, A., van Staa, T., Mcdermott, L., McCann, G., Ashworth, M., Charlton, J., . . . Gulliford, M. (2012). Cluster randomized trial in the general practice research database: 2. Secondary prevention after first stroke (eCRT study): study protocol for a randomized controlled trial. BioMed Central.
Chicago-tyylinen lähdeviittausDregan, Alex, et al. Cluster Randomized Trial in the General Practice Research Database: 2. Secondary Prevention After First Stroke (eCRT Study): Study Protocol for a Randomized Controlled Trial. BioMed Central, 2012.
MLA-viiteDregan, Alex, et al. Cluster Randomized Trial in the General Practice Research Database: 2. Secondary Prevention After First Stroke (eCRT Study): Study Protocol for a Randomized Controlled Trial. BioMed Central, 2012.