TY - RPRT AU - World Health Organization PY - 1999 SN - 92 4 157212 4 UR - https://wedocs.unep.org/handle/20.500.11822/29531 LA - English A3 - World Health Organization KW - chemical KW - immunology KW - risk assessment TI - Principles and Methods for Assessing Allergic Hypersensitization Associated with Exposure to Chemicals - Environmental Health Criteria 212 M3 - Technical report ER -