Campbell, M., Elbourne, D., & Altman, D. (2004). CONSORT statement: Extension to cluster randomised trials.
Citación estilo ChicagoCampbell, M., DR Elbourne, and D. Altman. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
Cita MLACampbell, M., et al. CONSORT Statement: Extension to Cluster Randomised Trials. 2004.
Warning: These citations may not always be 100% accurate.