000 00263nam a2200133Ia 4500
999 _c10073
_d10073
082 _a616.8
_bWHO
100 _aWho
245 0 _aOral Health Surveys Basic Methods
250 _a4
260 _bWho
_c1999
300 _eNO
_a65,P.
650 _aWHO
942 _cBKS