Improving representation in telephone-based health care access surveys requires purposeful efforts to include prepaid cell phone users

Berzofsky, M. E., Scruggs, C. B., Lu, B., Speizer, H., & Sahr, T. (2018). Improving representation in telephone-based health care access surveys requires purposeful efforts to include prepaid cell phone users. Journal of Clinical Epidemiology, 108, 143-144. https://doi.org/10.1016/j.jclinepi.2018.11.029