The origin of these pictures is not included as frequently animal experiment companies take legal action to close a site down that details their experiments. For example "Uncaged Campaigns" had to wage a two-and-a-half year legal battle against Novartis at Huntington Life Sciences to tell the truth about their grotesque 'xenotransplantation' experiments on higher primates and the British Union for the Abolition of Vivisection has been forced by multi-national contract animal testers, Covance, to remove material from their web site or Covance have threatened the BUAV's Internet Service Provider with legal action.