@article{oai:obihiro.repo.nii.ac.jp:00001457,
 author = {Velasco, Ng  J and Claveria, F. G},
 issue = {2},
 journal = {The journal of protozoology research},
 month = {Dec},
 note = {application/pdf, Fecal samples collected from 8 groups of caged orangutans (Pongo spp.) kept at Avilon Zoo in Montalban, Rizal were examined using formalin ether concentration and Danish bilharziasis sieving techniques. Hookworm and Ascaris sp. eggs, and numerous mature cysts of Entamoeba coli were identified in orangutans housed in two separate cages and in single female kept in another cage, respectively.},
 pages = {12--15},
 title = {Intestinal parasites identified in caged Orangutans (Pongo spp.) at the Avilon Zoo, Montalban Zoological Park, Rizal, Philippines},
 volume = {19},
 year = {2009}
}