TY  - BOOK
AU  - Bowling,Ann
TI  - Research methods in health: : investigating health and health services 
SN  - 9780335233649
U1  - 610.7 
PY  - 2009///
CY  - England
PB  - McGraw-Hill
KW  - SALUD
KW  - SERVICIOS DE SALUD
ER  -