Showing 20,781 - 20,800 results of 69,502 for search '', query time: 0.04s Refine Results
20781
Determinación del nitrógeno ureico y de la glucosa en 0,25 mI de sangre capilar
by Jiménez, José Miguel
Published 1959
Get full text
Online
20782
Frecuencia de Salmonella y Shigella en moscas domésticas colectadas en la ciudad de San José
by Bolaños, Róger
Published 1959
Get full text
Online
20783
Efecto de la prodigiosina sobre la respiración de la forma de cultivo de Schizotrypanum cruzi
by Zeledón, Rodrigo
Published 1959
Get full text
Online
20784
Notes on Costa Rican Opalinids. I. Opalina moreletei Metcalf.
by Ruiz, Armando
Published 1959
Get full text
Online
20785
Notes on Costa Rican Opalinids. Il. Zelleriella antillensis ( Metcalf) and Z. bufoxena Metcalf.
by Ruiz, Armando, Alfaro, Mario
Published 1959
Get full text
Online
20786
Eimerias de los bovinos de Costa Rica. I. Incidencia en animales adultos y sanos
by Ruiz, Armando
Published 1959
Get full text
Online
20787
Acción de hormonas vegetales sintéticas en talofitas. I. Estudio sobre hongos patógenos in vitro
Get full text
Online
20788
Retortamonas instestinalis ( Wenyon et O'Connor) en Costa Rica
by Ruiz, Armando, Alfaro, Mario
Published 1959
Get full text
Online
20789
On the Neotropical Acanthocinini, X. (Coleoptera, Cerambycidae, Lamiinae) . Sorne new species of Urgleptes Dillon
by Gilmour, E. Forrest
Published 1960
Get full text
Online
20790
Comparative physiological studies on four species of hemofiagellates in culture. III. Effect of the Krebs' cycles intermediates on the respiration
by Zeledón, Rodrigo
Published 1960
Get full text
Online
20791
The subgenera of Culicoides of the Americas (Diptera, Ceratopogonidae)
by Vargas, L.
Published 1960
Get full text
Online
20792
Salmonella en bovinos adultos, aparentemente sanos, destinados al consumo
by Arroyo, Guido
Published 1960
Get full text
Online
20793
Helmintos de la República de Costa Rica. XIV. Redescripción de Lutztrema obliquum Travassos, 1941, y descripción de Zonorchis macroovaricus n. sp.
Get full text
Online
20794
Helmintos de la República de Costa Rica. XV. Nematoda 3. Presencia de Litomosoides peñai n. sp. en Hemiderma perspicillatum aztecum ( Saussure, 1860)
Get full text
Online
20795
Un híbrido natural de Hydrocotyle (Umbelliferae)
by Rodríguez C., Rafael L.
Published 1960
Get full text
Online
20796
The phylogeny and relationships between insect orders
by Wille, Alvaro
Published 1960
Get full text
Online
20797
Inoculación experimental de Sporotrichum schenckii en embrión de pollo
by Sáenz, German F.
Published 1960
Get full text
Online
20798
Esboco mastofaunistico do Territorio do Rio Branco
by de Carvalho, Cory T.
Published 1961
Get full text
Online
20799
Contribución al conocimiento de los nemátodos que parasitan a los reptiles de México. I. Descripción de Proatractis parvicapiticoronata n.g., n.sp., parásito de Testudines
by Caballero R., Guillermina
Published 1970
Get full text
Online
20800
Helmintos de peces del Pacífico mexicano. XXIX. Descripción de dos monogéneos nuevos de la familia Capsalidae Baird, 1853, subfamilia Benede­niinae Johnston, 1931, de Baja California
by Bravo-Hollis, Margarita
Published 1970
Get full text
Online
Search Tools: Get RSS Feed — Email this Search