1. “The Elderly Surgical Patient. An Analysis of Five Hundred Consecutive Cases of Patients Sixty Years of Age or Older,”;Bosch;A.M.A. Arch. Surg,1952
2. “Operability in the Young and Aged,”;Cole;Ann. Surg,1953
3. “Major Surgery in Patients 70 Years of Age and Over. An Analysis of 146 Operations on 135 Patients,”;Parsons;Ann. Surg,1956
4. “Experiences With More Than One Thousand Elderly Surgical Patients,”;Limbosch;A.M.A. Arch. Surg,1956
5. “Surgery in Elderly Patients,”;Hiebert;J. Maine M. A,1957