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Leoncio A. Garza-Valdes


About the Author

Dr. Leoncio A. Garza-Valdes is a pediatrician who lives in San Antonio, Texas. He was an adjunct professor of microbiology at the Health Sciences Center of the University of Texas. As a result of his discovery of the plastic coating produced by bacteria on ancient artifacts, he has established the new discipline of archaeomicrobiology.

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