Aschengrau, Ann. <br/><br/>
Essentials of epidemiology in public health / 
Ann Aschengrau, George R. Seage III. 
 - 2nd ed. 
 - Sudbury, Mass. :  Jones and Bartlett Publishers,  c2008. 
 - ix, 516 p. :  ill., maps ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>The approach and evolution of epidemiology -- Measures of disease frequency -- Comparing disease frequencies -- Sources of public health data -- Descriptive epidemiology -- Overview of epidemiologic study designs -- Experimental studies -- Cohort studies -- Case-control studies -- Bias -- Confounding -- Random error -- Effect measure modification -- Critical review of epidemiologic studies -- The epidemiologic approach to causation -- Screening in public health practice -- Ethics in research involving human participants. 
<br/><br/><label>ISBN: </label>9780763740252 076374025X 
<br/><br/><label>LCCN: </label>2007000636 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>101296939  DNLM 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Public health.<br/>Social medicine.<br/>Epidemiologic Methods.<br/>Public Health.
<br/><br/><label>LC Class. No.: </label>RA651  / .A83 2008 
<br/><br/><label>Dewey Class. No.: </label>614.4