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	1.	[Causes of moderate to severe visual impairment and blindness in population aged 50 years or more in rural Shandong province]. [electronic resource] by Li, Yun Bi, Hong-sheng Wang, Li-hua Wang, Ting Yang, Shao-yuan Liu, Li-ping Zhou, Cheng-chao Producer: 20140911 In: [Zhonghua yan ke za zhi] Chinese journal of ophthalmology vol. 49 Availability: No items available. Save to lists Add to cart (remove)
	2.	[Prevalence of visual impairment and blindness in older adults in rural Shandong Province]. [electronic resource] by Wang, Li-Hua Bi, Hong-Sheng Li, Yun Yang, Shao-Yuan Wang, Ting Liu, Li-Ping Zhou, Cheng-Chao Producer: 20130318 In: [Zhonghua yan ke za zhi] Chinese journal of ophthalmology vol. 48 Availability: No items available. Save to lists Add to cart (remove)
	3.	[Estimating Winter Wheat Nitrogen Vertical Distribution Based on Bidirectional Canopy Reflected Spectrum]. [electronic resource] by Yang, Shao-yuan Huang, Wen-jiang Liang, Dong Uang, Lin-sheng Yang, Gui-jun Zhang, Gui-jan Cai, Shu-Hong Producer: 20160122 In: Guang pu xue yu guang pu fen xi = Guang pu vol. 35 Availability: No items available. Save to lists Add to cart (remove)

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