Ferreira da Silva, Maylane Tavares, et al. “Occurrence of Intestinal Parasites in Alouatta Caraya of the Zoobotanical Park of Teresina, Piauí, Brazil”. Acta Scientiae Veterinariae, vol. 46, Jan. 2018, p. 5, doi:10.22456/1679-9216.87478.