Results 111 to 120 of about 941,937 (358)

Endocrine disruption in juvenile roach from English rivers: A preliminary study [PDF]

open access: yes, 2004
Juvenile roach Rutilus rutilus from seven rivers of varying water quality were examined for evidence of endocrine disruption. The majority of roach from five of these rivers had femalelike reproductive ducts.
Beresford, NA   +3 more
core   +1 more source

Skull Base Surgery in the Pediatric Population—The 2nd International Collaborative Study (1995–2015)

open access: yesHead &Neck, EarlyView.
ABSTRACT Background The current study presents the efforts of a global collaborative group to review the management and outcomes of malignant tumors of the skull base in the pediatric population worldwide. Patients and Methods A total of 28 institutions contributed data on 3061 patients. From this, there were 64 pediatric patients (2.1%).
Dan M. Fliss   +50 more
wiley   +1 more source

Estudio de mezcla de aire en nubes con un modelo numérico 3D [PDF]

open access: yes, 1994
En este trabajo se presenta un estudio del mecanismo de mezcla de aire que sufren las nubes convectivas con el aire del entorno, utilizando los campos de viento, temperatura, presión y contenido de agua líquida obtenidos con un modelo de simulación ...
Caranti, Giorgio M., Scavuzzo, Carlos M.
core  

Twenty Years of AIRE

open access: yesFrontiers in Immunology, 2018
About two decades ago, cloning of the autoimmune regulator (AIRE) gene materialized one of the most important actors on the scene of self-tolerance. Thymic transcription of genes encoding tissue-specific antigens (ts-ags) is activated by AIRE protein and
R. Perniola
semanticscholar   +1 more source

Availability of Cancer Screening Across HIV Treatment Sites in the IeDEA Consortium

open access: yesInternational Journal of Cancer, EarlyView.
In recent years, incorporating comprehensive cancer screening strategies into routine HIV care has gained growing attention. This survey of 220 sites providing HIV care across 41 countries shows that cervical cancer screening has increased in availability over time.
Rachael A. Pellegrino   +32 more
wiley   +1 more source

Ramalina (Lichens) en los parques de Lima

open access: yesEspacio y Desarrollo, 1991
El presente trabajo consiste en realizar evaluaciones de la calidad de aire, mediante indicadores biológicos, como en el caso de Ramalina, líquen que habita las zonas urbano metropolitana de Lima (Ciudad capital), especialmente las áreas verdes en los ...
Marisa Ucrospoma Jara
doaj  

Health Biomarkers of Pesticide Exposure in Rural Populations of Santa Fe, Argentina: Oxidative Stress and Genotoxicity

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT The present study aimed to quantify pesticide residues in environmental matrices and plasma and to evaluate their potential effects on oxidative stress and DNA damage in rural populations of Santa Fe province. Soil and rainwater samples were collected, and biological samples and semistructured surveys were obtained from volunteers in three ...
María Priscila Dechiara   +4 more
wiley   +1 more source

Estimación de riesgos para la salud derivados de la exposición a fluoruros en aire en la ciudad de Puerto Madryn. Aplicación del análisis espacial en vigilancia de la salud

open access: yesRevista de Salud Ambiental, 2018
La aplicación de sistemas de información geográfica (SIG) al análisis de riesgos para la salud asociados a contaminación del aire de ciudades constituye una herramienta eficaz ampliamente reconocida.
Susana Isabel Garcia   +2 more
doaj   +2 more sources

Controllability of the bilinear Schr\"odinger equation with several controls and application to a 3D molecule [PDF]

open access: yes, 2012
We show the approximate rotational controllability of a polar linear molecule by means of three nonresonant linear polarized laser fields. The result is based on a general approximate controllability result for the bilinear Schr\"odinger equation, with ...
Boscain, Ugo   +2 more
core   +4 more sources

Experimental Assessment of the Effects of Substrate Choice on the Duration of Chemical Signals in Fecal Scent‐Marks of Free‐Ranging Iberian Wolves

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Chemical communication, typically based on feces, urine, and glandular secretions, often deposited as substrate scent marks, plays a key role in social organization and communication among many mammals, especially carnivores. This study assesses experimentally whether the type of substrate chosen for fecal deposition and the temperature ...
Elisa Espartosa   +2 more
wiley   +1 more source

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