Gordis, Leon,  1934- <br/><br/>
Epidemiology / 
Leon Gordis, MD, MPH, DrPH, Professor Emeritus of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Professor Emeritus of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland. 
 - Fifth edition. 
 - xv, 392 pages :  illustrations (some color) ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>The dynamics of disease transmission -- The occurrence of disease : I. Disease surveillance and measures of morbidity -- The occurrence of disease: II. Mortality and other measures of disease impact -- Assessing the validity and reliability of diagnostic and screening tests -- The natural history of disease : ways of expressing prognosis -- Assessing preventive and therapeutic measures : randomized trials -- Randomized trials : some further issues -- Cohort studies -- Case-control studies and other study designs -- Estimating risk : is there an association? -- More on risk : estimating the potential for prevention -- A pause for review : comparing cohort and case-control studies -- From association to causation : deriving inferences from epidemiologic studies -- More on causal inferences : bias, confounding, and interaction -- Identifying the roles of genetic and environmental factors in disease causation -- Using epidemiology to evaluate health services -- The epidemiologic approach to evaluating screening programs -- Epidemiology and public policy -- Ethical and professional issues in epidemiology. 
<br/><br/><label>ISBN: </label>9781455737338 (pbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2013025693 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic Methods.
<br/><br/><label>LC Class. No.: </label>RA651  / .G58 2014 
<br/><br/><label>Dewey Class. No.: </label>614.4 
<br/><br/><label>National Library of Medicine Call No.: </label>WA 105