Coronary heart disease mortality, morbidity, and case fatality in five East and West German cities 1985 - 1989. - Barth,W.; Löwel,H.; Lewis,M.; Classen,E.; Herman,B.; Quietzsch,D.; Greiser,E.; Keil,U.; Heinemann,L.; Voigt,G.; Brasche,S.; Böthig,S. (J Clin Epidemiol, 1996)