TY  - BOOK
AU  - Hulley,Stephen B.
AU  - Cummings,Steven R.
AU  - Browner,Warren S.
TI  - Designing clinical research: an epidemiological approach
SN  - 0683042491
PY  - 1988///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Clinical trials
KW  - Medicine
KW  - Biochemistry
KW  - Epidemiologic Methods
KW  - Research Design
N1  - Includes bibliographies and index
ER  -