Handbooks, manuals, etc Diseases 179 English language 146 Research 145 Management 142 methods 123 Handbooks 119 más ... Report writing 111 Rhetoric 93 Study and teaching 83 Training of 83 Universities and colleges 83 Grammar 80 Standards 77 Diagnosis 74 Education 74 Design and construction 63 Food 61 Drugs 60 Dogs 59 Nursing 59 Safety measures 59 Nutrition 58 Teaching 58 Cats 57 Authorship 53 Analysis 52 Treatment 52 Veterinary medicine 51 Environmental aspects 50 menos ...