TY  - BOOK
ED  - World Health Organization.
TI  - Oral health surveys: basic methods
SN  - 9241544937
AV  - RK52.O7 1997 
PY  - 1997///
CY  - Geneva
PB  - World Health Organization
KW  - Dental surveys
KW  - Teeth
KW  - Diseases
KW  - Dental Health Surveys
N1  - Includes bibliographical references
ER  -