Clinical epidemiology: the essentials/
Fletcher, Robert H.
Clinical epidemiology: the essentials/ Robert H.Fletcher, Suzanne W. Fletcher, Edward H. Wagner - 2nd ed - xiii,246 pages: illustration; 25cm
Includes bibliographical references and index
0683032518
Epidemiologic Methods
Clinical epidemiology: the essentials/ Robert H.Fletcher, Suzanne W. Fletcher, Edward H. Wagner - 2nd ed - xiii,246 pages: illustration; 25cm
Includes bibliographical references and index
0683032518
Epidemiologic Methods