APA
Bradley C. J., National Bureau of Economic Research, Neumark D. & Walker L. S. (2017). The Effect of primary care visits on health care utilization. Cambridge: NBER.
Chicago
Bradley Cathy J, National Bureau of Economic Research, Neumark David and Walker Lauryn Saxe. 2017. The Effect of primary care visits on health care utilization. Cambridge: NBER.
Harvard
Bradley C. J., National Bureau of Economic Research, Neumark D. and Walker L. S. (2017). The Effect of primary care visits on health care utilization. Cambridge: NBER.
MLA
Bradley Cathy J, National Bureau of Economic Research, Neumark David and Walker Lauryn Saxe. The Effect of primary care visits on health care utilization. Cambridge: NBER. 2017.