000 00515nam a2200205Ia 4500
008 180116s1987 xxu||||| |||| 00| 0 eng d
020 _a92 4 154216 0
082 _aWA900
_bWHO
100 _a World Health Organization
245 _aOral health surveys :
_bbasic methods.
250 _a3rd
260 _aGeneva
_bW H O
_c1987
300 _a53 p.
_b26 cm.
440 _a
_v
500 _a
520 _a Health Care, Health Surveys
650 _aHealth Surveys
650 _aHealth Care
906 _a11418
_b
_c
999 _c26847
_d26847