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Slide 1 POLLUTION Slide 2 INTRODUCTION Pollution can be defined as the introduction by humans, deliberately or inadvertently, of substances or energy (heat, radiation, noise)…

Slide 1 Treatment of Acne-II Slide 2 Important points to remember! Self-treatment of acne is effective in patients mature enough to understand that acne can be controlled…

Chapter 9 Suicide Gene Therapy Chapter 9 Suicide Gene Therapy Dr. S Hosseini-Asl 1 به جای انکه به تاریکی لعنت بفرستید, یک شمع روشن کنید.…

AIR POLLUTION POLLUTION INTRODUCTION Pollution can be defined as the introduction by humans, deliberately or inadvertently, of substances or energy (heat, radiation, noise)…