Anxiety and Stress.by Harold Basowitz; Harold Persky; Sheldon J. Korchin; Roy R. GrinkerSelye · American Association for the Advancement of Science1956PDF295 KB
Migrations of teeth following extractions: By Sheldon Friel, B.A., M.Dent.Sc.. Sc.D., Proc. Roy. Soc. Med. 38: 22–28, June, 1945American Journal of Orthodontics and Oral Surgery1946PDF346 KB
