02128cam a2200277 i 450000100090000000300060000900500170001500800410003201000170007302000380009003500200012804000280014804200080017605000210018406000110020508200140021610000340023024502440026425000170050826000520052530000550057750400510063250511220068365000180180565000270182317793350AUA.120170619124428.0130624s2014    paua     b    001 0 eng    a  2013025693  a9781455737338 (pbk. : alk. paper)  a(DNLM)101611041  aDNLM/DLCcDLCerdadDLC  apcc00aRA651b.G58 201410aWA 10500a614.42231 aGordis, Leon,d1934-eauthor.10aEpidemiology /cLeon 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.  a5th edition.  aPhiladelphia, PA. :bElsevier Saunders,cc2014.  axv, 392 p. :billustrations (some color) ;c26 cm.  aIncludes bibliographical references and index.0 aThe 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.12aEpidemiology.22aEpidemiologic Methods.