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@chapter{2005_tiwari_spatial_filters_population,
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@chapter{2015_murray_health_facilities,
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  doi = "10.1016/j.puhe.2004.12.007",
}

@article{2005_shi_pc_social_ineuqality_mortality,
  author = {Shi, Leiyu and Macinko, James and Starfield, Barbara and Politzer, Robert and Wulu, John and Xu, Jiahong},
  title = {Primary Care, Social Inequalities, and All-Cause, Heart Disease, and Cancer Mortality in US Counties, 1990},
  journal = {American Journal of Public Health},
  volume = {95},
  number = {4},
  pages = {674-680},
  year = {2005},
  doi = {10.2105/AJPH.2003.031716},
}

@article{2005_starfield_contributions_of_primary_care,
  author = {Barbara Starfield and Leiyu Shi and James Macinko},
  title = {Contribution of Primary Care to Health Systems and Health},
  journal = {The Milbank Quarterly},
  volume = {83},
  number = {3},
  year = {2005},
  pages = {457-502},
  keywords = {Primary care, health outcomes, population health},
  doi = {10.1111/j.1468-0009.2005.00409.x},
}

@article{2012_shi_pc_focused_review,
  author = {Leiyu Shi},
  title = {The Impact of Primary Care: A Focused Review},
  journal = {Scientifica},
  volume = {2012},
  year = {2012},
  doi = {10.6064/2012/432892},
}

@article{2013_kringos_primary_care_europe,
  author = {Kringos, Dionne S. and Boerma, Wienke and van der Zee, Jouke and Groenewegen, Peter},
  title = {Europe’s Strong Primary Care Systems Are Linked To Better Population Health But Also To Higher Health Spending},
  journal = {Health Affairs},
  volume = {32},
  number = {4},
  pages = {686-694},
  year = {2013},
  doi = {10.1377/hlthaff.2012.1242},
}


@article{2013_yasaitis_supply_demand_response,
  author = {Laura C. Yasaitis and Julie P. W. Bynum and Jonathan S. Skinner},
  journal = {Medical Care},
  pages = {524-531},
  title = {Association Between Physician Supply, Local Practice Norms, and Outpatient Visit Rates},
  volume = {51},
  number = {6},
  year = {2013},
  doi = {10.1097/MLR.0b013e3182928f67}
}
