Mendonça de Souza, Sheila, Fatima Nascimento, Karl Jan Reinhard, and Adauto Araújo. “The Jivaro Shrunken Heads from the National Museum , Rio De Janeiro, Brazil. Authentic or Counterfeits?”. Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale 80, no. 1 (December 31, 2005). Accessed May 13, 2024. https://www.pagepressjournals.org/jbr/article/view/10138.