Cook, N. R., Lee, I., Zhang, S. M., Moorthy, M. V., & Buring, J. E. (2013). Alternate-day, low-dose aspirin and cancer risk: Long-term observational follow-up of a randomized trial. Annals of internal medicine, 159(2), 77. https://doi.org/10.7326/0003-4819-159-2-201307160-00002
Citácia podle Chicago (17th ed.)Cook, Nancy R., I-Min Lee, Shumin M. Zhang, M Vinayaga Moorthy, a Julie E. Buring. "Alternate-day, Low-dose Aspirin and Cancer Risk: Long-term Observational Follow-up of a Randomized Trial." Annals of Internal Medicine 159, no. 2 (2013): 77. https://doi.org/10.7326/0003-4819-159-2-201307160-00002.
Citácia podľa MLA (8th ed.)Cook, Nancy R., et al. "Alternate-day, Low-dose Aspirin and Cancer Risk: Long-term Observational Follow-up of a Randomized Trial." Annals of Internal Medicine, vol. 159, no. 2, 2013, p. 77, https://doi.org/10.7326/0003-4819-159-2-201307160-00002.