1. Statement on Planning;Americal Hospital Association,1970
2. Quantitative Techniques for Hospital Planning and Control;Griffith,1972
3. Services areas and their needs must be reassessed;Zimmerman;Hospitals,1975
4. Small area variations in health care delivery;Gettelshon;Science,1973
5. Some ecological differentials in the use of medical services;Bashshur;Hlth Services Research,1971