000 00393nam a2200157Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a0-87553-207-1
041 _aen
082 _a574.19212
100 _aGREENBOY,E.Arnold
245 0 _aHandards methods
250 _a18th
260 _aWashington,
_bAmerican public health associ
_cation 1992
300 _a10-137p;ti
942 _cPR
999 _c46385
_d46385