Results 131 to 140 of about 1,355 (145)

[Effect and mechanism of obstructive sleep apnea on maxillofacial development in children]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Gao H, Guan M.
europepmc   +1 more source

长期施肥对黑土农田土壤微生物群落的影响

open access: yes, 2013
Li S   +4 more
core  

长期施肥条件下黑土有机碳和氮的动态变化

open access: yes, 2008
乔云发, 苗淑杰, 韩晓增
core  

长期施肥条件下黑土镉的积累及其趋势分析

open access: yes, 2008
乔云发   +5 more
core  

Home - About - Disclaimer - Privacy