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Lyme disease and other infections are caused by the bite of a tick.
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
Personality Behavior Patterns and Their Risks for Heart Disease
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin
Partial map of disease genes on human chromosome 21
The locations of disease-causing mutations in the cystic fibrosis gene