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Examples of animals used as medicine in Northeast Brazil. A: Boa constrictor (Photo: Gentil A. Pereira-Filho), B: Iguana iguana, C: Chelonoidis carbonaria, D: Amazona aestiva, E: Coragyps atratus and F: Ucides cordatus (Photos B,C,D,E,F: Rômulo R.N. Alves).
