1. Newburgh-Kingston caries fluorine study XIV. Combined clinical and roentgenographic dental findings after ten years of fluoride experience;Ast;JADA,1956
2. Effect of fluoridated public water supplies on dental caries prevalence. Tenth year of the Grand Rapids-Muskegon study;Arnold;Public Health Rep,1956
3. The Brantford-Sarnia-Stratford fluoridation caries study—1955 report;Brown;J Canad Dent Assn,1956
4. Evanston fluoridation study. Twelve years later;Hill;Dent Progress,1961
5. Safety of water fluoridation;Smith;JADA,1962