00408nam a2200109Ia 4500008004100000020001500041082001400056100003000070245011100100260006800211300001900279250602s9999    xx            000 0 und d  a9241571705  a615.9 ASS  aWorld Health Organization 0aAssessing human health risks of chemicals : derivation of guidance values for health-based exposure limits  aGenevabInternational Programme on Chemical Safety (IPCS)c1994  a73 p. ; 21 cm.