Galea, S., & Tracy, M. (2007). Participation Rates in Epidemiologic Studies. Annals of epidemiology, 17(9), 643-653. https://doi.org/10.1016/j.annepidem.2007.03.013
Citácia podle Chicago (17th ed.)Galea, Sandro, a Melissa Tracy. "Participation Rates in Epidemiologic Studies." Annals of Epidemiology 17, no. 9 (2007): 643-653. https://doi.org/10.1016/j.annepidem.2007.03.013.
Citácia podľa MLA (8th ed.)Galea, Sandro, a Melissa Tracy. "Participation Rates in Epidemiologic Studies." Annals of Epidemiology, vol. 17, no. 9, 2007, pp. 643-653, https://doi.org/10.1016/j.annepidem.2007.03.013.
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