DESIGN: Randomized cluster sampling, cross-sectional study.
设计：随机整群抽样，横断面调查。
DESIGN: Prospective, cross-sectional study.
设计：前瞻性的横向研究。
Limitations to this study include the cross-sectional design and self-report of sun exposure.
此项研究的局限性包括横向设计及自我报告日晒情况。
With a cross - sectional study design, 143 participants were recruited by purposive sampling.
采用横断式研究设计，经立意取样，招募143位高雄县美浓镇越南籍妇女参与本研究。
Design: This was a cross-sectional study.
设计：这是一项代表性研究。
Objective Under design of cross sectional study and randomly sampling, a survey was conducted in 6 counties of Ningxia province in China on the status of nutrition of children under 3 years old.
为了解宁夏农村3岁以下儿童的营养状况，对宁夏6县进行了随机抽样横断面调查。
MethodApply the cross-sectional study of clinical epidemiology, design the clinical questionnaire and fill in, acquire the data.
运用临床流行病学横断面调查的研究方法，设计临床调查表，进行临床流行病学调查，获取相关数据。
DESIGN: a cross-sectional study according to the diagnosis and on the basis of community.
设计：以诊断为依据、社区为基础的横断面研究。
DESIGN: Randomized cluster sampling and cross-sectional study.
设计：随机整群抽样，横断面调查。
DESIGN: This was a cross-sectional study.
设计：一项横断面研究。
DESIGN: This was a cross-sectional study.
设计：一项横断面研究。
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