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Probability Proportional to Size Sampling

National Institutes of Health

Papers overview

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Review
2018
Review
2018
OBJECTIVE To assess the schistosomiasis transmission risk after flood damage in Wuhan City. METHODS Schistosomiasis epidemic… 
2017
2017
  • X. ZhouJ. Fang B. Feng
  • 2017
  • Corpus ID: 25376948
Objective: To describe the situation and identify factors associated with malnutrition among infants and young children aged 6-23… 
Review
2017
Review
2017
  • B. YanL. Zhang A. Xu
  • 2017
  • Corpus ID: 46253616
Objective: To analyze the sero-epidemiological characteristics of hepatitis E virus (HEV) in Shandong province, and thereby to… 
Review
2017
Review
2017
  • L. ZhangJ. Liu A. Xu
  • 2017
  • Corpus ID: 34531228
Objective: To know the prevalence of hepatitis B virus (HBV) among women in child-bearing age in Shandong Province, China… 
Review
2015
Review
2015
South Africa has been conducting annual cross-sectional anonymous unlinked antenatal HIV seroprevalence surveys in sentinel sites… 
Review
2015
Review
2015
The Millennium Villages Project (MVP) is a ten-year integrated rural development project implemented in ten sub-Saharan African… 
2014
2014
[Objective]To evaluate the vaccination status among children in Zhongshan City after implementation of the National expanded…