1. The effect of premature loss of primary molars on the anteroposterior position of the maxillary first permanent molars and other maxillary teeth;Davey;J. Dent. Child.,1967
2. The lingual arch in space control;Eastwood;Dent. Clin. North Am.,1968
3. Space maintenance in a child dental care program;Hill;J. Am. Dent. Assoc.,1975
4. The role of dental caries in space closure in the mixed dentition;Jarvis,1952
5. Dentistry for the child and adolescent;MacDonald,1974