000 00556nam a2200217Ia 4500
001 000547
008 141222s9999 xx 000 0 und d
020 _a92-4-154272-1
040 _aDB/INS
041 0 _aeng
084 _aOMS
084 _bCSA-72i
245 1 0 _aPrinciples of studies on diseases of suspected chemical etiology and their prevention
245 1 0 _cOrganización Mundial de la Salud
260 _aGinebra
260 _bWHO
260 _c1987
300 _a236
440 0 _aEnvironmental Health Criteria, 72
650 1 _aEnfermedad
999 _c9972
_d9972