"an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)"@en-us . "0"^^ . . . "103808977"^^ . . "narcotic antagonist"@en-us . . . . . . . "103665788"@en-us . "narcotic antagonist"^^ . "0"^^ . . "03808977-n"^^ .