@Article{info:doi/10.2196/jmir.7329,
author="Labrique, Alain
and Blynn, Emily
and Ahmed, Saifuddin
and Gibson, Dustin
and Pariyo, George
and Hyder, Adnan A",
title="Health Surveys Using Mobile Phones in Developing Countries: Automated Active Strata Monitoring and Other Statistical Considerations for Improving Precision and Reducing Biases",
journal="J Med Internet Res",
year="2017",
month="May",
day="05",
volume="19",
number="5",
pages="e121",
keywords="surveys and questionnaires; sampling studies; mobile health; mobile phone; research methodology",
issn="1438-8871",
doi="10.2196/jmir.7329",
url="http://www.jmir.org/2017/5/e121/",
url="https://doi.org/10.2196/jmir.7329",
url="http://www.ncbi.nlm.nih.gov/pubmed/28476726"
}