eighty one women with vertebral osteoporosis were treated for up to 2 years with fluoride administered either as monofluorophosphate ( mfp , 200 mg/day , i.e. , 26.4 mg fluoride-ion ) or sodium fluoride ( naf , 50 mg/day , i.e. , 22.6 mg fluoride-ion ) .
C0037508
naf
C0016327
fluoride-ion