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1Digital revistaSCIELO
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2by Guevara,Angel G., Eras,José W., Recalde,Marcelo, Vinueza,Luis, Cooper,Philip J., Ouaissi,Ali, Guderian,Ronald H.
Published 1997Digital revistaSCIELO -
3by Brenière,Simone F, Taveira,Bruno, Bosseno, Ordoñez,Rosalinda, Lozano-Kasten,Felipe, Magallón-Gastélum,Ezequiel, Ouaissi,Ali, Ramsey,Janine
Published 2003Digital revistaSCIELO