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In page Aconitum:

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This family of poisons makes a showing in S. M. Stirling's 2000 science fiction novel, On the Oceans of Eternity, where a renegade warlord is poisoned with aconite-laced food by his own chief of internal security.[citation needed] In the 2000s television show Merlin, the titular character attempts to poison Arthur with aconite while under a spell.[citation needed]