1. Collection of material to fill this need is now actively in progress. For example, data on time per service in a children’s dental clinic are given by I. Alt-man, Time per Service in a Children’s Dental Clinic;Pub. Health Rep.,1946
2. Dental Needs, Dental Demands and Dental Costs;Dollar;Illinois D. J.,1946
3. Dental Needs Versus Dental Manpower;Klein;J.A.D.A.,1944
4. For any given area, every nth name was selected from an alphabetical list of all active dentists in the area so that the final total of 1,500 was attained.
5. Civilian Dentistry in War Time;Klein;J.A.D.A.,1944