TY - BOOK AU - AU - TI - Principles and methods for the assessment of risk from essential trace elements SN - 92-4-157228-0 U1 - 614.878 PY - 2002/// CY - Geneva PB - World Health Organisation KW - Trace elements- adverse effects KW - Nutritional requirements KW - Homeostasis KW - Maximum allowable concentration KW - Risk assessment KW - IPCS KW - International Programme on Chemical Safety ER -