TY  - BOOK
AU  - Petersen,Poul Erik
AU  - Baez,Ramon
ED  - World Health Organization.
TI  - Oral health surveys: : basic methods
SN  - 9789241548649
PY  - 2013///
CY  - Geneva
PB  - World Health Organization
KW  - Dental Health Surveys
KW  - Oral Health
KW  - Mercury
KW  - adverse effects
KW  - Data Collection
KW  - Oral health surveillance
ER  -