TY  - BOOK
AU  - HULLEY,STEPHEN B .
AU  - CUMMINGS,STEVEN R .
AU  - BROWNER,WARREN S .
TI  - DESIGNING CLINICAL RESEARCH / 
SN  - 9780781782
U1  - 610.7 
PY  - 2001///
CY  - انجلترا : 
PB  - LIPPINCOTT WILLIAMS & WILKINS ، 
KW  - MEDICINE RESEARCH - METHODOLOGY
KW  - CLINICAL TRIALS
KW  - EPIDEMIOLOGY RESEARCH - METHODOLOGY
ER  -