1. The concept of distance as a factor in accessibility and utilization of health care;Shannon;Med. Care Rev.,1969
2. The geographic fallacy: Hospital planning and spatial behavior;Studnicki;Hospital Administration,1975
3. Nonmonetary factors in the demand for medical services: Some empirical evidence;Acton;J. Pol. Econ.,1975
4. Demand for health care among the urban poor, with special emphasis on the role of time;Acton,1976
5. The demand for neighborhood medical care;Leveson;Inquiry,1970