00526nam a2200181Ia 450000500170000000800410001702000180005803500090007604100080008508200110009310000300010424500680013426000530020230000070025550000090026250500450027165000280031620260808125444.0260808s9999||||xx |||||||||||||| ||und||  a92-4-154188-1  a5253  aENG  a547.26  aWorld Health Organization 0aIPCS (Environmental health criteria no - 048)bDimethyl sulfate  aGenevabUNEP and World Health Organizationc1985  a55  aGift  aIPCS, chemical safety, organic chemicals  aIPCSbOrganic chemistry