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Epidemiology --- Orthopaedics. Traumatology. Plastic surgery --- Wounds and injuries --- United States --- Research --- Methodology --- Wounds and injuries - United States - Epidemiology. --- Wounds and injuries - Epidemiology - Research - Methodology.

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Using a progressive, step-by-step analysis, this text illustrates how to pose research questions and design the best research studies to answer those questions. This third edition includes new case studies.

Wounds and injuries --- Human beings --- Injuries --- Trauma, Physical --- Wounds --- Surgical emergencies --- Traumatology --- Epidemiology. --- Epidemiology --- Research --- Methodology. --- Wounds and Injuries --- Epidemiologic Research Design --- epidemiology

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Public Health --- United States Public Health Service --- Community Health Services

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Developmental psychology --- Social psychology --- Animal ethology and ecology. Sociobiology