TY  - BOOK
AU  - Fletcher, Robert H.
AU  - Wagner, Edward H.
TI  - Clinical epidemiology : :  the essentials / 
SN  - 0683032690 
PY  - 1996///.
CY  - Baltimore, Maryland : 
PB  -  Williams & Wilkins, 
KW  - Clinical epidemiology.
KW  - Epidemiologic Methods
N1  - Includes bibliographical references and index;  Ch. 1. Introduction -- Ch. 2. Abnormality --  Ch. 3.  Diagnosis --  Ch. 4.  Frequency --  Ch. 5.  Risk --  Ch. 6. Prognosis -- Ch. 7.  Treatment --  Ch. 8.  Prevention --  Ch. 9. Chance --  Ch. 10.  Studying Cases --  Ch. 11.  Cause --  Ch. 12.  Summing Up.
ER  -