Chan, A., Tetzlaff, J., Gøtzsche, P., Altman, D., Mann, H., Berlin, J., . . . Moher, D. (2013). SPIRIT 2013 explanation and elaboration: Guidance for protocols of clinical trials.
Cita Chicago Style (17a ed.)Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.
Cita MLA (9a ed.)Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.
Precaución: Estas citas no son 100% exactas.