TY  - BOOK
AU  - Fletcher,Robert H.
AU  - Fletcher,Suzanne W.
TI  - Clinical epidemiology: the essentials 
SN  - 0781752159
PY  - 2005///
CY  - Philadelphia
PB  - Lippincott Williams & Wilkins
KW  - Clinical epidemiology
KW  - Epidemiologic Methods
N1  - Includes bibliographical references and index; The scentific basis for clinical medicine -- Abnormality -- Diagnosis -- Frequency -- Risk, looking forward -- Risk, looking backward -- Prognosis -- Treatment -- Prevention -- Chance -- Cause -- Systematic reviews -- Knowledge management
ER  -