1. Autoplasty of enucleated prefunctional third molars;Apfel;J. Oral Surg.,1950
2. A second census of dental condition in University of Minnesota freshman students;Brekhus;J.A.D.A.,1941
3. Dental caries and permanent tooth extraction; a study by age, sex, and location of the incidence of first permanent molar extraction in 8,677 school children;Cheyne;J. D. Res.,1940
4. Autogenous transplants;Hale;J.A.D.A.,1954