Dr. Welsh died August 28 in Oklahoma City. He was 83.
Dr. Welsh received his MD from University of Nebraska College of Medicine, and then completed his internal medicine and gastroenterology education at the University of Oklahoma.
He joined the faculty at OU in 1959. A colleague said Dr. Welsh’s work in the 1960s helped develop a better understanding of lactose intolerance in the American Indian community, according to the report.
In 1971, Dr. Welsh was named the David Ross Boyd Professor of Medicine at the University of Oklahoma Health Sciences Center. He retired in 1990.
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