Pet medicine 50
Pets 50
Veterinary medicine 50
History 47
German language 25
AIDS (Disease) 24
Brain 23
HIV (Viruses) 23
HIV infections 23
Prevention 23
Sexually transmitted diseases 23
Health education 21
Veterinary Medicine 21
Television stations 20
Research 19
Human physiology 18
Psychological aspects 16
Animal behavior 15
Health aspects 15
Treatment 15
Artists 14
Animals 13
Art, Modern 13
Human body 12
Physiology 12
Politics and government 11
Study and teaching 11
Physiological aspects 10
Diseases 9
Education 9
French language 9
Nutrition 9
Senses and sensation 9
Spoken French 9
Sustainable living 9
Advertising 8
Antiquities 8
Brand choice 8
Brand name products 8
Branding (Marketing) 8
Civilization, Ancient 8
Climatic changes 8
Consumers' preferences 8
Medicine, Preventive 8
Patients 8
Social aspects 8
Thought and thinking 8
Biodiversity 7
Civilization 7
Educational technology 7
Food 7
Food industry and trade 7
Human biology 7
Mental illness 7
Obesity 7
Physics 7
Preventive Medicine 7
Architecture and religion 6
Conduct of life 6
Dogs 6
Evolution (Biology) 6
Genetic aspects 6
Psychology 6
Reality 6
Sensation 6
Spanish language 6
Spoken German 6
Spoken Spanish 6
Students 6
AIDS (Disease) in women 5
Animal diversity 5
Animal ecology 5
Animals, Fossil 5
Archaeology 5
Decision making 5
Experiments 5
Extinct animals 5
Glacial epoch 5
Light 5
Mammals, Fossil 5
Mental health 5
Rehabilitation 5
Safety measures 5
Self-consciousness (Awareness) 5
Sustainability 5
Technological innovations 5
Therapeutic use 5
Animal intelligence 4
Cancer 4
Citizen participation 4
Cognitive neuroscience 4
Diagnosis 4
Educational Technology 4
Environmental protection 4
Food habits 4
Group identity 4
Health 4
Health facilities 4
Human ecology 4
Leadership 4