TY - BOOK AU - AU - TI - Biomarkers in risk assessment: validity and validation SN - 92-4-157222-1 U1 - 614.7 PY - 2001/// CY - Geneva PB - World Health Organisation KW - Biological markers KW - Risk assessment methods KW - Validation studies KW - Reproducibility of results KW - IPCS KW - International Programme on Chemical Safety ER -