Cross contamination occurs, for example, when a knife used to cut up a chicken, is also used to slice raw vegetables or fruit for a salad.
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Cross contamination occurs, for example, when a knife used to cut up a chicken, is also used to slice raw vegetables or fruit for a salad. |
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Diseases are a part of the original exhibit at the College of
Physicians of Philadelphia, located at 19 South Twenty-Second Street,
Philadelphia, Pennsylvania, and may not be used whole or in part,
individually, or as part of a derivative work without express written
permission. |