[Arsenic, or rather, arsenious anhydride, the preferred poison of the Borgias].
D001151:Arsenic / Q000266:history*; D020261:Arsenic Poisoning; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D007558:Italy
D001151:Arsenic
L'arsenico, o meglio, l'anidride arseniosa, il veleno prediletto dei Borgia.