Complex sentence: She went on to medical school at the University of Michigan, graduating in 1980 with her M.D. Barthwell then moved to suburban Chicago where she participated in post-graduate studies at the University of Chicago and through the medical center of Northwestern University.
Split into simpler sentences: She went on to medical school at the University of Michigan. She moved to suburban Chicago where she participated in post-graduate studies at the University of Chicago and through the medical center of Northwestern University.