Journal Article The validity of the developmental pattern in the sandfly gut for classification of Leishmania Get access N. Añez, N. Añez Departamento de Biología, Facultad de Ciencias, Universidad de Los Andes, Mérida, 5101, Venezuela Search for other works by this author on: Oxford Academic PubMed Google Scholar E. Nieves, E. Nieves Departamento de Biología, Facultad de Ciencias, Universidad de Los Andes, Mérida, 5101, Venezuela Search for other works by this author on: Oxford Academic PubMed Google Scholar D. Cazorla D. Cazorla Departamento de Biología, Facultad de Ciencias, Universidad de Los Andes, Mérida, 5101, Venezuela Search for other works by this author on: Oxford Academic PubMed Google Scholar Transactions of The Royal Society of Tropical Medicine and Hygiene, Volume 83, Issue 5, September 1989, Pages 634–635, https://doi.org/10.1016/0035-9203(89)90378-7 Published: 01 September 1989 Article history Received: 01 August 1988 Revision received: 23 January 1989 Accepted: 02 February 1989 Published: 01 September 1989