01447nam a2200325 a 4500 EDZ0000072831 StDuBDS 20150804193922.0 m||||||||d|||||||| cr|||||||||||| 061026s2007 enka fo 001 0 eng|d 9780191723865 (ebook) : No price StDuBDS StDuBDS RA652.4 .E483 2007 614.4072 22 Elwood, J. Mark. Critical appraisal of epidemiological studies and clinical trials [electronic resource] / J. Mark Elwood. 3rd ed. Oxford : Oxford University Press, 2007. 1 online resource (xiii, 570 p.) : ill. Previous ed.: 1998. Critical appraisal is now accepted as central to the development of rational health care and evidence-based medicine, by applying it to questions of aetiology, clinical therapy, and health care management. The reader will learn how to assess the strengths and weaknesses of new studies, and how to conduct their own studies. Description based on print version record. Includes bibliographical references and index. Epidemiology. Epidemiology Research. Clinical trials Evaluation. Print version 9780198529552 Oxford scholarship online http://dx.doi.org/10.1093/acprof:oso/9780198529552.001.0001 36655 36655