TY  - BOOK
AU  - Black, N
AU  - Brazier, J
AU  - Fitzpatrick, R
TI  - Health services research methods:  a guide to best practice
SN  - 0727912755
PY  - 1998///
PB  - BMJ Publishing Group
KW  - Health services research
KW  - Systematic reviews
KW  - Outcome assessment
ER  -