@article{Labrique2017,
author = {Labrique, A. and Blynn, E. and Ahmed, S. and Gibson, D. and Pariyo, G. and Hyder, A.A.},
title= {Health surveys using mobile phones in developing countries: Automated active strata monitoring and other statistical considerations for improving precision and reducing biases},
year = {2017},
doi = {10.2196/jmir.7329},
volume = {19},
number = {5},
pages = {121},
}