Year, Count, Co-author(s) 1985,4,"Bergenstal, Richard M., MD; Tamborlane, W. V.; Rizza, R. A.; Champion, M. C." 2017,7,"Bergenstal, Richard M., MD; Lachin, J. M.; Pop-Busui, R.; Zinman, B.; Bebu, I.; Nathan, D. M.; DCCT/EDIC Research Group,"