Pacemaker, the Implantable Defibrillator, and American Health Care. pp.59-65. Johns Hopkins University Press. 2001年. ISBN 0-8018-6579-4. ^ Verified Trauma Centers
Beanstalk" . Michigan History 1995 79(3): 10–17. Ford's interest in soybeans and plastics Lewis, David L. (1993), “Working Side by Side”, Michigan History