000			01126cam a2200205 4500
001			9780763740252
008			110110t2008 xxu||||| |||| 00| 0 eng d
020			_a9780763740252
020			_a076374025X
100			_aAschengrau, Ann
245		0	_aEssentials of epidemiology in public health
250			_a2nd ed.
260			_aSudbury, Mass. : _bJones and Bartlett Publishers, _c2008
300			_aix, 516 p. : ill., maps ; 23 cm.
505			_aThe 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.
520			_aIncludes bibliographical references and index.
690			_aEpidemiology
700			_aSeage, George R
999			_c44016 _d44016