Guan, H., Yu, N. N., Wang, H., Boswell, M., Shi, Y., Rozelle, S., & Congdon, N. (2019). Impact of various types of near work and time spent outdoors at different times of day on visual acuity and refractive error among Chinese school-going children. PLoS One.

Guan, Hongyu, Ning Neil Yu, Huan Wang, Matthew Boswell, Yaojiang Shi, Scott Rozelle, and Nathan Congdon. "Impact of Various Types of Near Work and Time Spent Outdoors At Different Times of Day On Visual Acuity and Refractive Error Among Chinese School-going Children." PLoS One 2019.

Guan, Hongyu, et al. "Impact of Various Types of Near Work and Time Spent Outdoors At Different Times of Day On Visual Acuity and Refractive Error Among Chinese School-going Children." PLoS One 2019.