TY  - BOOK
AU  - MacMahon, Brian
AU  - Pugh, Thomas F.
TI  - Epidemiology: principles and methods 
SN  - 0316542598
AV  - RA 651 .M33 1970 
PY  - 1970///
CY  - Boston
PB  - Little, Brown and Company
KW  - EPIDEMIOLOGY
N1  - Includes bibliographical references and index; 1. Epidemiology -- 2. Concepts of cause -- 3. Strategies of Epidemiology -- 4. Classification of disease -- 5. Measures of disease frequency -- 6. Sources of data -- 7. Characteristics of persons -- 8. Place -- 9. Time -- 10. Some combinations of person, place, and time -- 11. Cohort studies -- 12. Case-control studies -- 13. Intervention studies -- 14. Genetics and epidemiology -- References -- Index
N2  - The objective of this book is to introduce the principles and methods of epidemiology, particularly as they are applied in the study of those chronic diseases for which preventive measures are now unknown or inadequate
ER  -