Купить Hygiene and Ecology. Автор Y. P. Pivovarof, A. A. Al Sabounchi.

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Hygiene and preventive medicine. The branch of medical science concerned with the prevention of disease and with promotion of physical and mental health, through study of the etiology and epidemiology of disease processes. The learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases. Environmental medicine is a multidisciplinary field involving medicine, environmental science, is concerned with the.. описание на сайте интернет продавца