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  • Extremely low frequency (ELF) fields.
    • 615.9 E9698
    • World Health Organization,
    • c1984.
    • Geneva :




  • Quintozene.
    • 615.9 Q79
    • World Health Organization ,
    • c1984.
    • Geneva :




  • Heptachlor.
    • 615.9 E647
    • World Health Organization ,
    • c1984.
    • Geneva :




  • Tecnazene.
    • 615.9 T2559
    • World Health Organization ,
    • c1984.
    • Geneva :