TY  - BOOK
AU  - Bowling,Ann
TI  - Research methods in health: investigating health and health services 
SN  - 9780335233649
PY  - 2009///
CY  - Berkshire
PB  - McGraw Hill/Open University Press
KW  - Research
KW  - Research design
KW  - Public health
KW  - Health Services
N1  - References : p. 471-518
ER  -