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相关机构：南开大学东南大学首都医科大学附属北京儿童医院首都医科大学更多>>
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Cross-sectional associations of dietary habits with asthma and wheeze in childhood:confounding for avoidance behaviors被引量：1
《Science Bulletin》2015年第23期2080-2082,共3页Wei Liu Chen Huang Yu Hu Zhijun Zou Louise B.Weschler Li Shen Jan Sundell 
supported by the National Natural Science Foundation of China(51278302);the Innovation Program of Shanghai Municipal Education Commission(14ZZ132);Hujiang Foundation of China(D14003);the Innovation Fund Project for Graduate Student of Shanghai(JWCXSL1401)
The prevalence of childhood asthma has increased rapidly in China[1].In Shanghai,the prevalence has increased from 2.1%in 1990 to 10.2%in 2011 in 3-to 7-year-old children[2].Various environmental and lifestyle factors...
关键词：儿童 哮喘 饮食习惯 行为 混杂 协会 患病率 生活方式 
Constructing orthogonal fractional factorial designs with the same confounding structure
《Chinese Science Bulletin》1997年第7期545-548,共4页Wang, ZJ Zhang, RC 
ORTHOGONAL arrays (OAs) have important applications to many fields. A lot of OAs and their construction methods have been introduced in the experimental design literature (for example, Box, Hunter and Dey). These OAs ...
关键词：cosei defining CONTRAST FACTORIAL design infeasible factor-level combination ORTHOGONAL array. 
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