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Revista De Biologia Tropical|June 1, 1987
[The presence of cysts in Tritrichomonas muris]M Chinchilla, E Portilla, O M Guerrero, et al.Revista De Biologia Tropical|June 1, 1987
Somatic antigens from male and female adults of Setaria cervi: immune reactions in guinea pigsS KumarRevista De Biologia Tropical|June 1, 1984
[Diarrhea caused by Campylobacter fetus jejuni and other infective agents in children of the rural area of Puriscal, Costa Rica]M Vives, L Mata, B Castro, et al.Revista De Biologia Tropical|June 1, 1984
[The micronecrotic effect of the venom of Aphonopelma seemanni (Araneae: Theraphosidae) of Costa Rica in the white mouse]M V Herrero, J M GutiérrezRevista De Biologia Tropical|May 29, 1999
Levels of natural resistance to Boophilus microplus (Acari: Ixodidae) in Carora breed bullsR D Meléndez, A Coronado, F Mujica, et al.Revista De Biologia Tropical|May 29, 1999
[Annual follow-up of the gastrointestinal parasitosis of white-tailed deer Odocoileus virginianus (Artiodactyla: Cervidae) in captivity in Yucatán, México]R C Montes Pérez, R I Rodríguez Vivas, J F Torres Acosta, et al.Revista De Biologia Tropical|May 29, 1999
[The relation of Helicobacter pylori with dysplasia and stomach neoplasms in Costa Rica]M Miranda, M Cháves, L Orozco, et al.Revista De Biologia Tropical|February 7, 2001
Effect of Trypanosoma lewisi (Kinetoplastida: Trypanosomatidae) on the infection of white rats with Toxoplasma gondii (Eucoccidia: Sarcocystidae) oocystsG Catarinella Arrea, M Chinchilla Carmona, O M Guerrero Bermúdez, et al.Revista De Biologia Tropical|August 23, 2002
Inquilines of Brachymenes dyscherus nests with special reference to Monobia schrottkyi (Hymenoptera, Vespidae, Sphecidae)E CamilloRevista De Biologia Tropical|August 23, 2002
A key to the adult Costa Rican "helicopter" damselflies (Odonata: Pseudostigmatidae) with notes on their phenology and life zone preferencesI Hedström, G SahlénPageof 244