Pihlstrom, B. L., Curran, A. E., Voelker, H. T., & Kingman, A. (2012). Randomized controlled trials: What are they and who needs them? Periodontology 2000, 59(1), 14-31. https://doi.org/10.1111/j.1600-0757.2011.00439.x
Citace podle Chicago (17th ed.)Pihlstrom, Bruce L., Alice E. Curran, Helen T. Voelker, a Albert Kingman. "Randomized Controlled Trials: What Are They and Who Needs Them?" Periodontology 2000 59, no. 1 (2012): 14-31. https://doi.org/10.1111/j.1600-0757.2011.00439.x.
Citace podle MLA (9th ed.)Pihlstrom, Bruce L., et al. "Randomized Controlled Trials: What Are They and Who Needs Them?" Periodontology 2000, vol. 59, no. 1, 2012, pp. 14-31, https://doi.org/10.1111/j.1600-0757.2011.00439.x.
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