Delineating hierarchical obstetric hospital service areas using the Huff model based on medical records

Small Area Variations in Health Care Delivery

John E. Wennberg, Alan M. Gittelsohn · Science · 1973 · 1.9K citations

Public Affairs, Health Policy, Health Systems +17

Measurement of Inequality of Incomes

Corrado Gini · The Economic Journal · 1921 · 1.7K citations

Social Sciences, Economics, Microeconomics +9

Spatial accessibility of primary care: concepts, methods and challenges

Mark F. Guagliardo · International Journal of Health Geographics · 2004 · 1.5K citations · Full text

Social Sciences, Geography, Urban Health +17

Defining and Estimating a Trading Area

David L. Huff · Journal of Marketing · 1964 · 1.1K citations

Engineering, Economics, Method Validation +1

Geography of Market Centers and Retail Distribution

Marc Morgan, Brian J. L. Berry · Geographical Journal · 1968 · 365 citations

Social Sciences, Economics, Geography +12