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Stresses the good health habits that help prevent sickness. Investigates the effects of germs and the body's defenses against them. From "Joy of Growing" series.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 11 minutes.
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