*0011582774 *008910702s1991 xx# 000 0 nob *019 $bk *08230$a617.6 *100 $aØgaard, Bjørn$_135167900 *245 $aCalcium fluoride or not?$bthat is the question!$cBjørn Øgaard *300 $aS. 304-307 *520 $aEngelsk sammendrag *773 $tDen norske tannlegeforenings tidende$gÅrg. 101, nr 9 (1991)$x0029-2303$w(NO-LaBS)303498(tnr) *999 $z9100130623$anorart:9100130623 ^