TY  - BOOK
AU  - Hulley, Stephen B. 
TI  - Designing clinical research
SN  - 9780781782104 (pbk)
U1  - 610.72 
PY  - 2011///
CY  - New york
PB  - Wolters kluwer
KW  - Designing clinical research
KW  - Medicine
KW  - Clinical trials
KW  - Medicine research methodology
KW  - Epidemiology research methodology
KW  - Sampling
KW  - RICP
N1  - Include index
ER  -