• 146 Videos, Slides, Films

• 46 Medical microbiology
• 45 Epidemiology
• 42 Medicine, Preventive
• 39 Diagnosis
• 38 Communicable diseases
• 35 Infection
• 31 Preventive health services
• 27 Physical fitness
• 17 Heart
• 13 Swan, Norman, Dr
• 10 Eye
• 10 Vision disorders
• 9 Cancer
• 9 Disorders
• 9 Endocrine glands
• 9 Lungs
• 9 Metabolism
• 9 Respiratory organs
• 8 Respiratory tract diseases
• 8 Treatment
• 7 Developmental disabilities
• 7 Genitourinary organs
• 7 Medical care

• 146 Films Media Group
• 146 Films for the Humanities & Sciences (Firm)
• 30 Information Television Network
• 28 ABC International
• 9 BBC Worldwide Ltd
• 5 Infobase
• 4 Astral Studios
• 3 ABC News Productions
• 3 Electric Sky (Firm)
• 3 Firefly Films
• 3 National Educational Video, Inc
• 3 National Geographic Television & Film
• 3 Swan, Norman, Dr
• 2 DR TV (Television station : Copenhagen, Denmark)
• 2 Dartmouth/Hitchcock Medical Center
• 2 New Zealand. Learning Media
• 2 Royal College of Nursing (Great Britain)
• 2 TV4 AB
• 2 WNET (Television station : New York, N.Y.)
• 1 10 Francs (Firm)
• 1 4 Learning (Firm)
• 1 Allegro Productions (Firm)
• 1 American Public Television
• 1 Ayres, Ian
• 1 Benjamin/Cummings Publishing Company

• 146 English

• 2 Africa, Sub-Saharan
• 1 Europe
• 1 United States

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