This edition includes a new section on meta-analysis, the critical review and integration of the findings of separate studies of the same topic. Its aim is to provide readers with the basic skills required for making sense of the results (similar or dissimilar) of a set of epidemiological studies, and for appraising published reports of meta-analyses and deciding whether to accept their conclusions. In other sections of the book, elucidatory comments have been added and references updated.

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J.H. Abramson is Professor of Social Medicine, Hebrew University-Hadassah School of Public Health and Community Medicine, Jerusalem. He is author ofSurvey Methods In Community Medicne: Epidemiological Studies, Program Evaluation, Clinical Trials, Fourth Edition (1990), and co-author of Calculator Programs for the Health Sciences (Oxford, 1983).

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