Oral health surveys :
Oral health surveys : basic methods.
- 4th ed.
- Geneva : World Health Organization, 1997.
- vii, 66 p. : ill. ; 24 cm.
Includes bibliographical references.
9241544937
98169533
Dental surveys.
Teeth--Diseases.
Dental Health Surveys.
RK52.O7 1997
Includes bibliographical references.
9241544937
98169533
Dental surveys.
Teeth--Diseases.
Dental Health Surveys.
RK52.O7 1997