Probability Proportional to Size Sampling
National Institutes of Health
Papers overview
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OBJECTIVE
To assess the schistosomiasis transmission risk after flood damage in Wuhan City.
METHODS
Schistosomiasis epidemic…
Objective: To describe the situation and identify factors associated with malnutrition among infants and young children aged 6-23…
Objective: To analyze the sero-epidemiological characteristics of hepatitis E virus (HEV) in Shandong province, and thereby to…
Objective: To know the prevalence of hepatitis B virus (HBV) among women in child-bearing age in Shandong Province, China…
South Africa has been conducting annual cross-sectional anonymous unlinked antenatal HIV seroprevalence surveys in sentinel sites…
The Millennium Villages Project (MVP) is a ten-year integrated rural development project implemented in ten sub-Saharan African…
[Objective]To evaluate the vaccination status among children in Zhongshan City after implementation of the National expanded…