Voigt, L. F., Schwartz, S. M., Doody, D. R., Lee, S. C., & Li, C. I. (2011). Feasibility of Including Cellular Telephone Numbers in Random Digit Dialing for Epidemiologic Case-Control Studies. Oxford University Press.

Voigt, Lynda F., Stephen M. Schwartz, David R. Doody, Spencer C. Lee, i Christopher I. Li. Feasibility of Including Cellular Telephone Numbers in Random Digit Dialing for Epidemiologic Case-Control Studies. Oxford University Press, 2011.

Voigt, Lynda F., et al. Feasibility of Including Cellular Telephone Numbers in Random Digit Dialing for Epidemiologic Case-Control Studies. Oxford University Press, 2011.