туузан дамжуулагч дизайны самак
The use of non-human animals in research - Royal Society. The use of non-human animals in research: a guide for scientists Contents page Preparation of this guide iv 1 Introduction 1 2 Examples of medical advances dependent on the use of animals in research 3 3 From discovery to drug 7 4 Ethical approaches to the use of animals 10 5 Refinement, reduction and …