Salt fluoridation.
Salt fluoridation.
- Washington, D.C. : Pan American Health Organization, 1986.
- 197 p.
- Scientific publication (Pan American Health Organization) ; no. 501 .
eng.
WHODOC
927511501X
Fluoridation--methods.
Sodium, Dietary.
WU 270
eng.
WHODOC
927511501X
Fluoridation--methods.
Sodium, Dietary.
WU 270