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.
Chicago-viite (17. p.)Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.
MLA-viite (9. p.)Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.
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