. "biodefence"@en-us . "biodefense"@en-us . . . . "00961594-n"^^ . . . . "biological defense"^^ . . "biological defense"@en-us . . "0"^^ . . "0.125"^^ . . "biological defence"@en-us . "100961594"^^ . "100904553"@en-us . . "procedures involved in taking defensive measures against attacks using biological agents"@en-us . .