Human diseases 6 Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) Epidemiology 5 Man 4 Diagnosis 3 Protozoan, Helminth, Mollusc and Arthropod Parasites of Animals, (New March 2000) 3 Clinical aspects 2 Diagnosis of Human Disease, (New March 2000) 2 Diagnostic techniques 2 Disease control 2 Drug therapy 2 Health Economics, (New March 2000) 2 Immunology 2 Molecular biology 2 Pathogen, Pest, Parasite and Weed Management (General) 2 Taxonomy and Evolution 2 Techniques and Methodology 2 Vector-borne diseases 2 Zoonoses 2 Acanthocephala 1 African trypanosomiasis 1 Airborne infection 1 Animal Models of Human Diseases, (New March 2000) 1 Animal diseases 1 Animal models 1 Animals 1 Asthma 1 Biology 1 Body fluids 1 Brain 1