Results 41 to 50 of about 133,333 (167)

P-130 CONGENITAL PORTOSYSTEMIC SHUNTS: EXPERIENCE IN A THIRD LEVEL CHILDREN`S HOSPITAL

open access: yesAnnals of Hepatology, 2023
Introduction and Objectives: Congenital Portosystemic Shunts (CPSS) are rare vascular malformations that involve communication between the portal and the systemic venous system.
Micaela Wisniacki   +10 more
doaj   +1 more source

Dynamics of SARS-CoV-2 mutations reveals regional-specificity and similar trends of N501 and high-frequency mutation N501Y in different levels of control measures

open access: yesScientific Reports, 2021
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This disease has spread globally, causing more than 161.5 million cases and 3.3 million deaths to date.
Santiago Justo Arevalo   +8 more
doaj   +1 more source

Poverty associated with anxiety, personality and depression disorders in adults at the "Sarita Colonia" Community Mental Health Center in Callao 2017–2022

open access: yesCogent Social Sciences
This study examined the relationship between poverty and mental health disorders, specifically anxiety, personality, and depression, in 2,399 adults aged 30–59 treated at the Community Mental Health Center ‘Sarita Colonia’ in Callao between 2017 and 2022.
Pedro Martínez Valera   +6 more
doaj   +1 more source

RICARDO GUIRALDES: LA ESTÉTICA DE LA NEUTRALIZACIÓN Ricardo Guiraldes: A ESTÉTICA DA NEUTRALIZAÇÃO

open access: yesSignótica, 1987
RICARDO GUIRALDES: LA ESTÉTICA DE LA NEUTRALIZACIÓNRicardo Guiraldes: A ESTÉTICA DA ...
Luiz Alberto de Miranda
doaj   +1 more source

A RICARDO MODEL WITH ECONOMIES OF SCALE [PDF]

open access: yesJournal of Economic Theory, 1991
A model of international trade that resembles the classical Ricardo model but differs from it in admitting economies of scale in production is described.
openaire   +5 more sources

Actividad física y resiliencia durante la pandemia en una muestra de estudiantes de medicina

open access: yesRevista Cubana de Medicina Militar, 2023
Introducción: Cierta evidencia previa apoya el hecho de que la actividad física se asocia con la resiliencia en diferentes poblaciones; sin embargo, los resultados son inconsistentes.
Angie Nicolt Nina Ramos   +5 more
doaj  

Optimising the Performance of Diesel NOx Aftertreatment

open access: yesInternational Journal of Automotive Engineering, 2018
To continue efforts towards improving air quality and achieving Read World Driving emissions targets, it is accepted thatLight Duty Diesel powertrains have to maximize the NOx reduction performance of exhaust aftertreatment systems.
Roscoe Sellers, Phil Mortimer
doaj   +1 more source

Enfoque de inteligencia artificial aplicado al tiempo de concentración de unidades hidrográficas

open access: yesTecnología y ciencias del agua
El presente estudio propuso un enfoque de inteligencia artificial para la obtención del tiempo de concentración en unidades hidrográficas. En primer lugar, se examinaron 30 ecuaciones empíricas sobre una base de datos de 199 registros y, en segundo lugar,
Maiquel López-Silva   +2 more
doaj   +1 more source

Frecuencia, características demográficas, hematológicas y recuperación de la anemia ferropénica en niños

open access: yesRevista de la Facultad de Medicina Humana
Se determinó la frecuencia, la severidad y la recuperación de la anemia ferropénica en niños de seis meses a cinco años mediante un estudio observacional, descriptivo y retrospectivo, en el que se incluyeron 158 niños con anemia ferropénica, en ...
Rosario Mercedes Meneses-Castañeda   +9 more
doaj   +1 more source

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