TY - RPRT AU - World Health Organization PY - 1993 SN - 92 4 157155 1 UR - https://wedocs.unep.org/handle/20.500.11822/29540 LA - English A3 - World Health Organization KW - environmentally hazardous substance KW - chemical KW - health TI - Environmental Health Criteria 155: Biomarkers and Risk Assessment: Concepts and Principles M3 - Technical report ER -