Results 121 to 130 of about 41,320 (256)

La imagen y el ejemplo : Una aproximación a la revista "De frente con las bases peronistas" a través de sus contratapas (Mayo - Julio de 1974) [PDF]

open access: yes, 2014
La elección de las contratapas de la revista De Frente con las Bases Peronistas nos remite, en primer lugar, a las posibles formas de abordar su análisis.
Accinelli, Rubén
core   +1 more source

Potential Geographic Distribution of the Rare and Endangered Plant Sauvagesia rhodoleuca in China Under Climate Change Scenarios

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
This study used an optimized MaxEnt model to project the distribution of the endangered Chinese endemic Sauvagesia rhodoleuca. Under future climate scenarios, suitable habitat is expected to expand significantly and shift northward, with hydrothermal conditions as key drivers.
Jinxin Wei   +6 more
wiley   +1 more source

Propuesta para incorporar temas de envejecimiento al programa de estudio de Medicina General Integral

open access: yesRevista de Ciencias Médicas de Pinar del Río, 2016
Introducción: desde cursos escolares anteriores se ha enfatizado en la incorporación de temas sobre envejecimiento a los programas de estudio de la disciplina Medicina General Integral.
Gicela Francisca Díaz Pita   +4 more
doaj  

Phytochemical study of the plant species Bidens pilosa L. (Asteraceae) and Croton floccosus (Euphorbiaceae). [PDF]

open access: yesF1000Res, 2022
Ruiz-Reyes E   +5 more
europepmc   +1 more source

The scaling of seed‐dispersal specialization in interaction networks across levels of organization

open access: yesEcography, Volume 2026, Issue 5, May 2026.
Natural ecosystems are characterized by a specialization pattern where few species are common while many others are rare. In ecological networks involving biotic interactions, specialization operates as a continuum at individual, species, and community levels. Theory predicts that ecological and evolutionary factors can primarily explain specialization.
Gabriel M. Moulatlet   +3 more
wiley   +1 more source

Tensión psíquica e intervención de enfermería en el paciente crítico después de una cirugía cardiovascular

open access: yesCorSalud, 2016
Introducción: En un estado de enfermedad grave, el paciente se encuentra más vulnerable a los riesgos del entorno y a la tensión psíquica. Objetivo: Identificar los factores desencadenantes de tensión psíquica en pacientes críticos y el conocimiento del ...
Vivian Rodríguez Marrero   +2 more
doaj  

From niche theory to demographic realities: the demographic niche concept for understanding range‐wide population dynamics

open access: yesEcography, Volume 2026, Issue 5, May 2026.
The ecological niche concept is fundamental to understanding species distributions but often overlooks the demographic processes shaping said distributions. Conversely, demographic theory has traditionally neglected how vital rates vary and covary across environments, limiting our understanding of population dynamics across species' ranges.
Sean E. H. Pang   +5 more
wiley   +1 more source

Analysis of Antimicrobial and Antibiofilm Activity of Human Milk Lactoferrin Compared to Bovine Lactoferrin against Multidrug Resistant and Susceptible Acinetobacter baumannii Clinical Isolates. [PDF]

open access: yesACS Infect Dis, 2021
Avery TM   +12 more
europepmc   +1 more source

Che Guevara muerto

open access: yes, 2019
Fil: Lapenda, María Agustina. Universidad Nacional de San Martin. Centro de Investigaciones En Arte y Patrimonio. - Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Pque. Centenario.
openaire   +1 more source

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