1. In vitro and in vivo replication using scanning etectron microscopy of the cervical region ol'human teeth;Bevenius;Scrrn Micros,1991
2. Angular cheilitis and iron deficiency;Burton;New ZW Iard Dent J,1969
3. Denture sore mouth and angular cheilitis;Cawson;3r Dent J,1963
4. Overview of streptococcal infections;Coleman;J Med Micrcobiol,1990