51. Lu, B., Congdon, N., Liu, X., Choi, K., Lam, D. S., Zhang, M., Zheng, M., Zhou, Z., Li, L., Sharma, A., and Song, Y. (2009) Associations between near work, outdoor activity, and myopia among adolescent students in rural China: the Xichang Pediatric Re

51. Lu, B., Congdon, N., Liu, X., Choi, K., Lam, D. S., Zhang, M., Zheng, M., Zhou, Z., Li, L., Sharma, A., and Song, Y. (2009) Associations between near work, outdoor activity, and myopia among adolescent students in rural China: the Xichang Pediatric Re