Results 41 to 50 of about 3,548,097 (273)

Reflujo enterogástrico. Modelo experimental en ratas.

open access: yesCirugía del Uruguay, 2001
Se crea un modelo de reflujo enterogástrico en ratas y se realizan procedimientos antireflujo. Se estudian las alteraciones producidas por el reflujo enterogástrico sobre la mucosa gástrica. Se emplean 5 series de 1 O animales.
Marysol Camejo   +5 more
doaj  

Functional traits predict changes in floral phenology under climate change in a highly diverse Mediterranean community

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants are shifting their flowering phenology in response to climate change, but trends differ between species and communities. Functional traits can largely explain how different species respond to climate change by shifting their phenology, and can therefore help ...
Daniel Pareja‐Bonilla   +3 more
wiley   +1 more source

Modelos animales en psicopatología experimental: miedo, tolerancia a las drogas y condicionamiento

open access: yesRevista de Psicología, 2009
La noción darwiniana de continuidad de las especies ha justificado la investigación con animales no-humanos para entender al hombre. Si el hombre está evolutivamente conectado con el resto de los animales, entonces podemos encontrar en ellos modelos ...
Mario A. Laborda
doaj  

Efectos del metilfenidato sobre la ansiedad [PDF]

open access: yes, 2013
The attention deficit disorder with hyperactivity (ADDH) is a widely recognized disorder of unknown etiology. Methylphenidate administration is one of the most commonly used treatments to improve symptoms associated with ADDH.
Albert Gasco, Hector   +4 more
core  

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins   +3 more
wiley   +1 more source

Modelos animales para la investigación de priones [PDF]

open access: yes
Spongiform encefalopathies are a group of diseases with very long incubation times, during which the pathogenic isoform PrPres accumulates slowly in the brain, till it reaches a high enough concentration as to develop clinical signs.
Doménech Gómez, Ana María   +2 more
core   +4 more sources

¿Se correlaciona el efecto sinérgico in vitro e in vivo de las combinaciones antienterocócicas?

open access: yesIatreia, 2019
-
Ivone Eliana Jimenez-Toro   +2 more
doaj  

Modelaje de funciones neurocognitivas en roedores: dos paradigmas de memoria dependiente del hipocampo y del contexto histórico-científico de los modelos animales en neurociencias

open access: yesRevista Costarricense de Psicología
Históricamente, las neurociencias iniciaron con estudios conductuales y observacionales en seres humanos. Posteriormente, le siguieron estudios clínicos en pacientes con daños neurológicos y, más tarde, las imágenes médicas del cerebro aportaron ...
Ismael Segura-Ulate
doaj   +1 more source

Análisis retrospectivo de caracteres reproductivos en hembras bovinas criollas colombianas Romosinuano

open access: yesCiencia y Tecnología Agropecuaria, 2021
El objetivo del estudio fue estimar la repetibilidad del intervalo entre partos y establecer la relación con diferentes caracteres de eficiencia reproductiva de hembras Romosinuano. Una base de datos con 3.112 registros útiles de 871 hembras, colectados
Gustavo Alfonso Ossa Saraz   +4 more
doaj   +1 more source

Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]

open access: yes, 2010
ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by

core  

Home - About - Disclaimer - Privacy