TY  - BOOK
AU  - Kahn,Katherine L.
ED  - Research and Development Corporation,
ED  - United States.
TI  - Measuring the clinical appropriateness of the use of a procedure: can we do it? 
T2  - Rand note
PY  - 1991///
CY  - California
PB  - Rand Corporation
KW  - Clinical indications
KW  - United States
KW  - Gastrointestinal system
ER  -