TY  - BOOK
AU  - Hulley, Stephen B.
TI  - Designing Clinical Research
SN  - 9780781782104
AV  - WA950 
PY  - 2007///
CY  - Philadelphia: 
PB  - LWW
KW  - Research
KW  - Medicine
KW  - --Research
KW  - --Methodology
KW  - Epidemiology
KW  - Clinical trials
N1  - include index
UR  - https://books.google.com.pk/books?id=L3GQoFQdJ-MC&printsec=frontcover&dq=9780781782104&hl=en&sa=X&ved=2ahUKEwj6gKHu2fv0AhVNxoUKHTL-A0cQ6AF6BAgDEAI#v=onepage&q&f=false
ER  -