1. Tuberculosis: a growing concern for dentistry?;Faecher;JADA,1993
2. Comprehensive dental hygiene care;Woodall,1989
3. Recommended infection-control practices for dentistry;MMWR,1993
4. How reliable is a self-administered health questionnaire?;Polk;Dental Management Digest,1987
5. Self-assessment of dental conditions: validity of a questionnaire;Sigvard;Community Dent Oral Epidemiol,1991