• 68 Videos, Slides, Films

• 57 Health
• 9 Lungs
• 6 Respiratory tract diseases
• 5 Effect of human beings on
• 5 Nature
• 4 Atmosphere
• 4 Human ecology
• 4 Pollution
• 4 Weather
• 3 Ecosystem management
• 2 Air
• 2 Climatic changes
• 2 Conservation of natural resources
• 2 Medicine
• 2 Refuse and refuse disposal
• 2 Research
• 2 Self-care, Health
• 2 Toxicology
• 2 Waste disposal
• 2 Water
• 1 Asbestos abatement
• 1 Asthma in children
• 1 Cancer

• 68 Films Media Group
• 58 Infobase
• 45 Wellness Network (Firm)
• 11 Films for the Humanities & Sciences (Firm)
• 6 Ivanhoe Broadcast News (Firm)
• 5 American Academy of Pediatrics (Firm)
• 3 A.D.A.M., Inc
• 3 DR TV (Television station : Copenhagen, Denmark)
• 2 ABC News Productions
• 2 Information Television Network
• 1 ABC International
• 1 SW Pictures LTD (Firm)

• 68 English

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