00317nam a2200133Ia 450000500170000008000180001724500220003526000350005730000150009250000280010758300190013594200120015499900170016620260716043026.0  a18.12.04 P187  aSalt fluoridation  bPAHOaWashington, D.C.USc1986  avi, 197 p.  aIncludes bibliographies  c3/7/00kM2LMGR  cMmP187  c38941d38941