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1.
[Estimating Winter Wheat Nitrogen Vertical Distribution Based on Bidirectional Canopy Reflected Spectrum].
Guang Pu Xue Yu Guang Pu Fen Xi
; 35(7): 1956-60, 2015 Jul.
Artículo
en Zh
| MEDLINE | ID: mdl-26717759
2.
[Causes of moderate to severe visual impairment and blindness in population aged 50 years or more in rural Shandong province].
Zhonghua Yan Ke Za Zhi
; 49(2): 144-50, 2013 Feb.
Artículo
en Zh
| MEDLINE | ID: mdl-23714032
3.
[Prevalence of visual impairment and blindness in older adults in rural Shandong Province].
Zhonghua Yan Ke Za Zhi
; 48(3): 226-33, 2012 Mar.
Artículo
en Zh
| MEDLINE | ID: mdl-22800420
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