TY  - BOOK
AU  - Health sevices Research Methods: A guide to best practice.
AU  - Black, Nick.
AU  - Brazier, John.
AU  - Fitzpatrick, Ray.
AU  - Barnaby Reeves.
TI  - Health sevices Research Methods: A guide to best practice
SN  - 0727912755
AV  - MED R853 R46
PY  - 1998///
CY  - London
PB  - BMJ books
KW  - Research
ER  -