| Yield, selected chemical composition and nutritive value of 14 selections of amaranth grain representing four species R Bressani, JM Gonzales, J Zuniga, M Breuner, LG Elias Journal of the Science of Food and Agriculture 38 (4), 347-356, 1987 | 141 | 1987 |
| Effect of a killed whole Neospora caninum tachyzoite vaccine on the crude abortion rate of Costa Rican dairy cows under field conditions JJ Romero, E Perez, K Frankena Veterinary parasitology 123 (3-4), 149-159, 2004 | 127 | 2004 |
| Edad al primer parto en vacas Holstein de lechería especializada en Costa Rica M Salazar-Carranza, G Castillo-Badilla, J Murillo-Herrera, ... Agronomía Mesoamericana 24 (2), 233-243, 2013 | 86* | 2013 |
| Novel genotype of Ehrlichia canis detected in samples of human blood bank donors in Costa Rica L Bouza-Mora, G Dolz, A Solórzano-Morales, JJ Romero-Zuñiga, ... Ticks and tick-borne diseases 8 (1), 36-40, 2017 | 81 | 2017 |
| Factors associated with Neospora caninum serostatus in cattle of 20 specialised Costa Rican dairy herds JJ Romero, E Perez, G Dolz, K Frankena Preventive veterinary medicine 53 (4), 263-273, 2002 | 79 | 2002 |
| Construcciones de doble objeto y gramática universal J Romero Unpublished Ph. D. dissertation, Universidad Autónoma de Madrid, 1997 | 78 | 1997 |
| Effect of neosporosis on productive and reproductive performance of dairy cattle in Costa Rica JJ Romero, S Van Breda, B Vargas, G Dolz, K Frankena Theriogenology 64 (9), 1928-1939, 2005 | 75 | 2005 |
| Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica I Paquet-Durand, J Hernández, G Dolz, JJR Zuniga, T Schnieder, C Epe Acta Tropica 104 (1), 30-37, 2007 | 73 | 2007 |
| Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica I Paquet-Durand, J Hernández, G Dolz, JJR Zuniga, T Schnieder, C Epe Acta Tropica 104 (1), 30-37, 2007 | 73 | 2007 |
| Epidemiología y registro de las cardiopatías congénitas en Costa Rica A Benavides-Lara, JE Faerron Ángel, L Umaña Solís, JJ Romero Zúñiga Revista Panamericana de Salud Pública 30 (1), 31-38, 2011 | 64 | 2011 |
| Prevalence, resistance patterns, and risk factors for antimicrobial resistance in bacteria from retail chicken meat in Colombia P Donado-Godoy, BA Byrne, M León, R Castellanos, C Vanegas, A Coral, ... Journal of Food Protection 78 (4), 751-759, 2015 | 57 | 2015 |
| Counts, Serovars, and Antimicrobial Resistance Phenotypes of Salmonella on Raw Chicken Meat at Retail in Colombia P Donado-Godoy, V Clavijo, M León, A Arevalo, R Castellanos, J Bernal, ... Journal of Food Protection 77 (2), 227-235, 2014 | 54 | 2014 |
| First isolation and molecular characterization of Ehrlichia canis in Costa Rica, Central America LE Romero, AI Meneses, L Salazar, M Jiménez, JJ Romero, DM Aguiar, ... Research in veterinary science 91 (1), 95-97, 2011 | 52 | 2011 |
| The effect of the dam–calf relationship on serostatus to Neospora caninum on 20 Costa Rican dairy farms JJ Romero, K Frankena Veterinary Parasitology 114 (3), 159-171, 2003 | 49 | 2003 |
| Epidemiology of bovine anaplasmosis in dairy herds from Costa Rica JB Oliveira, J Montoya, JJ Romero, A Urbina, N Soto-Barrientos, ... Veterinary Parasitology 177 (3-4), 359-365, 2011 | 43 | 2011 |
| Serology, molecular detection and risk factors of Ehrlichia canis infection in dogs in Costa Rica AV Barrantes-González, AE Jiménez-Rocha, JJ Romero-Zuñiga, G Dolz Ticks and tick-borne diseases 7 (6), 1245-1251, 2016 | 41 | 2016 |
| Las pymes y la economía peruana J Zúñiga La República, 13, 2015 | 37 | 2015 |
| Risk factors associated with milk fever occurrence in grazing dairy cattle A Saborío-Montero, B Vargas-Leitón, JJ Romero-Zúñiga, JM Sánchez Journal of dairy science 100 (12), 9715-9722, 2017 | 36 | 2017 |
| Detection of Babesia caballi and Theileria equi in blood from equines from four indigenous communities in Costa Rica MF Posada-Guzmán, G Dolz, JJ Romero-Zúñiga, AE Jiménez-Rocha Veterinary Medicine International 2015, 2015 | 36 | 2015 |
| Aproximación crítica al concepto de currículo M Aristizabal, L Calvache, G Castro, A Fernández, L Lozada, M Mejía, ... Revista ieRed: Revista Electrónica de la Red de Investigación Educativa [en …, 2005 | 36 | 2005 |
