TY  - BOOK
AU  - Portney,G.Leslie|Watkins,P.Mary
TI  - Foundation of Clinical Research
SN  - 9780132344708
AV  - WY 20.5 .P67 2007 
PY  - 2009///
CY  - London
PB  - Pearson Prentice Hall
KW  - Clinical Medicine|Research methods
ER  -