Ford, E. S., Cunningham, T. J., Giles, W. H., & Croft, J. B. (2015). Trends in insomnia and excessive daytime sleepiness among US adults from 2002 to 2012. Sleep medicine, 16(3), 372-378. https://doi.org/10.1016/j.sleep.2014.12.008
Citácia podle Chicago (17th ed.)Ford, Earl S., Timothy J. Cunningham, Wayne H. Giles, a Janet B. Croft. "Trends in Insomnia and Excessive Daytime Sleepiness Among US Adults from 2002 to 2012." Sleep Medicine 16, no. 3 (2015): 372-378. https://doi.org/10.1016/j.sleep.2014.12.008.
Citácia podľa MLA (8th ed.)Ford, Earl S., et al. "Trends in Insomnia and Excessive Daytime Sleepiness Among US Adults from 2002 to 2012." Sleep Medicine, vol. 16, no. 3, 2015, pp. 372-378, https://doi.org/10.1016/j.sleep.2014.12.008.
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