000 00429cam a2200169 a 4500
020 _a9241544937
050 0 0 _aMED RK52
_b.W67
100 _aOral health surveys :
245 0 0 _aOral health surveys :
250 _a4th ed.
260 _aGeneva :
_bWorld Health Organization,
_c1997.
300 _avii, 66 p.
_bill. (some col.) ;
650 0 _aDental surveys.
650 0 _aTeeth
650 2 _aDental Health Surveys.
942 _cBK
999 _c949
_d949