Home › Authors › Debra A. Dayhoff 👤 Debra A. Dayhoff 4 books Books by Debra A. Dayhoff Measuring performance in managed care plans 1998 Comparison of GPCI rental index to three sources of commercial office rents 1995 Updating the geographic practice cost index 1994 Handbook for using the 1988 Physicians' practice costs and income survey 1992