Results 141 to 150 of about 23,392 (176)

[Novel clinical insights and frontier issues in alpha- fetoprotein-producing gastric cancer]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Luo B, Liu H, Xie W, Gong W.
europepmc   +1 more source

面向SDGs 的美丽中国内涵与评价指标体系 [PDF]

open access: yes, 2019
宋晓谕   +4 more
core  

运用信息熵理论研究条件估值调查中的抽样问题 [PDF]

open access: yes, 2003
张志强   +3 more
core  

Home - About - Disclaimer - Privacy