Zhang, X. J., Li, E. Y., Leung, C. K., Musch, D. C., Zheng, C. R., He, M. G., . . . Lam, D. S. (2021). Willingness to pay for cataract surgery in baiyin district, northwestern China. Ophthalmic epidemiology, 28(3), 205-212. https://doi.org/10.1080/09286586.2020.1812089
Citácia podle Chicago (17th ed.)Zhang, Xiu Juan, Emmy Y. Li, Christopher Kai-Shun Leung, David C. Musch, Chong Ren Zheng, Ming Guang He, David F. Chang, a Dennis Shun-Chiu Lam. "Willingness to Pay for Cataract Surgery in Baiyin District, Northwestern China." Ophthalmic Epidemiology 28, no. 3 (2021): 205-212. https://doi.org/10.1080/09286586.2020.1812089.
Citácia podľa MLA (8th ed.)Zhang, Xiu Juan, et al. "Willingness to Pay for Cataract Surgery in Baiyin District, Northwestern China." Ophthalmic Epidemiology, vol. 28, no. 3, 2021, pp. 205-212, https://doi.org/10.1080/09286586.2020.1812089.