TY  - BOOK
AU  - Sim, Julius.
AU  - Wright, Christine C.
TI  - Research in health care: concepts, designs and methods 
SN  - 0748737189
U1  - 362.107 
PY  - 2000///
CY  - Cheltenham, Glos.
PB  - S. Thornes
KW  - Health Services Research
KW  - Research Design
N1  - Includes bibliographical references (P. 361-389) and index
ER  -