TY  - BOOK
AU  - Portney, Leslie Gross
AU  - Watkins, Mary P.
TI  - Foundation of clinical research: applications to practice
SN  - 838510655
U1  - 610.72 
PY  - 1993///
CY  - Stamford, Conn.
PB  - Appleton and Lange
KW  - Medicine - Research - Methodology
KW  - Clinical medicine
ER  -