Pai CW, YA Ozcan and HJ Jiang (2000). “Regional Variation in Physician Practice Pattern: An Examination of Technical and Cost Efficiency for Treating Sinusitis.” J Medical Systems 24(2): 103-117.
Pai CW, YA Ozcan and HJ Jiang (2000). “Regional Variation in Physician Practice Pattern: An Examination of Technical and Cost Efficiency for Treating Sinusitis.” J Medical Systems 24(2): 103-117.