TY  - BOOK
AU  - Ryan,Mandy
AU  - Birch,Stephen
ED  - University of York.
TI  - Estimating the effects of health service charges: evidence on the utilisation of prescriptions 
PY  - 1988///
CY  - York
PB  - University of York, Centre for Health Economics, York Health Economics Consortium
KW  - Fees, Pharmaceutical
KW  - Drug utilization
KW  - United Kingdom
ER  -