

Gordis Epidemiology Elsevier eBook on VitalSource, 6th Edition
Elsevier eBook on VitalSource

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David D Celentano, ScD, MHS, Charles Armstrong Chair and Professor, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland and Moyses Szklo, MD, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland