000 | 00411nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 180712s9999 xx 000 0 und d | ||
020 | _a9241542160 | ||
082 |
_a617.601 _bWOR |
||
100 | _aWORLD Health Organization | ||
245 | _aOral health surveys: basic methods | ||
250 | _a3rd ed. | ||
260 |
_aGeneva _bWorld Health Organization _c1987 |
||
300 | _aiv, 53 p. | ||
650 | _aOral hygiene | ||
942 | _cPR | ||
999 |
_c30023 _d30023 |