Pharmacology and Toxicology 20 Microbiology 19 Plant breeding 15 Soil science 15 Biochemistry 10 methods 8 Irrigation 7 Management 7 Nutrition 7 Poultry Science 7 Clinical biochemistry 6 Forest management 6 Poultry Science Dept 6 Soil microbiology 6 Toxicology 6 Biotechnology 5 Marketing 5 Nanostructured materials 5 PRINCIPLES OF PLANT BREEDING 5 Pathology 5 Physiology 5 Biochemical Phenomena 4 Dairy cattle 4 Drug Discovery 4 Drugs 4 Engineering 4 Lasers 4 Nanotechnology 4 Pharmaceutical chemistry 4 Public Health 4