Journal Article Disappearance of Trypanosoma evansi from a vampire bat colony in Western Colombia Get access Stephen C. Ayala, Stephen C. Ayala Universidad del Valle-Tulane University, International Center for Medical Research, Apartado aeréo 5390, Cali, Colombia, S. America Search for other works by this author on: Oxford Academic PubMed Google Scholar Eric A. Wells Eric A. Wells Centro Internacional de Agricultura Tropical, Apartado Aéreo 6713, Cali, Colombia, S. America Search for other works by this author on: Oxford Academic PubMed Google Scholar Transactions of The Royal Society of Tropical Medicine and Hygiene, Volume 68, Issue 1, 1974, Page 76, https://doi.org/10.1016/0035-9203(74)90263-6 Published: 01 January 1974