TY  - BOOK
AU  - Roberts
AU  - Mays
TI  - Accident and emergency care at the primary-secondary interface: a systematic review of the evidence of substitution
SN  - 1857171624
AV  - HMG UK 
PY  - 1997///
CY  - London
PB  - King's Fund
KW  - Hospital Emergency Services
KW  - Casualty Units
KW  - Primary Care
ER  -