TY  - BOOK
AU  - World Health Organization
TI  - Oral health surveys: basic methods
SN  - 92-4-154216-0
U1  - 616.314 
PY  - 1987///
CY  - Geneva
PB  - World Health Oraganization
KW  - WHO
KW  - Pathology -- Internal medicine
N1  - Gift; WHO, international health, pathology, global disease
ER  -