Beard, E., Lewis, J. J., Copas, A., Davey, C., Osrin, D., Baio, G., . . . Prost, A. (2015). Stepped wedge randomised controlled trials: Systematic review of studies published between 2010 and 2014. Trials.
Citação norma ChicagoBeard, Emma, et al. "Stepped Wedge Randomised Controlled Trials: Systematic Review of Studies Published between 2010 and 2014." Trials 2015.
Citação norma MLABeard, Emma, et al. "Stepped Wedge Randomised Controlled Trials: Systematic Review of Studies Published between 2010 and 2014." Trials 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.