van Velthoven, M. H., Li, Y., Wang, W., Chen, L., Du, X., Wu, Q., . . . Car, J. (2015). Prevalence of Mobile Phones and Factors Influencing Usage by Caregivers of Young Children in Daily Life and for Health Care in Rural China: A Mixed Methods Study. PLoS One.

van Velthoven, Michelle Helena, Ye Li, Wei Wang, Li Chen, Xiaozhen Du, Qiong Wu, Yanfeng Zhang, Igor Rudan, a Josip Car. "Prevalence of Mobile Phones and Factors Influencing Usage By Caregivers of Young Children in Daily Life and for Health Care in Rural China: A Mixed Methods Study." PLoS One 2015.

van Velthoven, Michelle Helena, et al. "Prevalence of Mobile Phones and Factors Influencing Usage By Caregivers of Young Children in Daily Life and for Health Care in Rural China: A Mixed Methods Study." PLoS One 2015.