Dr. Mackenzie graduated from the Sheffield University School of Medicine and Biomedical Sciences in 1961. He works in York, PA and specializes in Gastroenterology and Internal Medicine.
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Dr. Mackenzie graduated from the Sheffield University School of Medicine and Biomedical Sciences in 1961. He works in York, PA and specializes in Gastroenterology and Internal Medicine.
MEDICAL SCHOOL
Sheffield University School Of Medicine And Biomedical Sciences - 1961