Acclaimed University of Michigan researcher leaves after academic articles retracted

DETROIT — A University of Michigan gastroenterology researcher is no longer employed by the university following the retraction of five academic papers in scholarly journals due to what one academic journal called the "falsification" and "fabrication" of data involving millions of federal research dollars. Chung Owyang — formerly chief of UM's Division of Gastroenterology and Hepatology, according to the Mayo Clinic, and a medical researcher — left the university as of Jan. 2, UM spokeswoman Kim Broekhuizen said Tuesday. He is listed as a retiree in online UM records. It was unclear how the pu...