Results 31 to 40 of about 868,005 (284)

Prevalence of asthma, allergic rhinitis and atopic dermatitis in school children of the Mexican Bajío region

Revista Alergia México, 2018
Background: The prevalence of allergic diseases markedly varies according to the geographical region. Objective: To determine the prevalence of asthma, allergic rhinitis and atopic dermatitis in children of six and seven years of age.
Martin Ramírez-Soto, Martín Bedolla-Barajas, Tania González-Mendoza   +2 more
doaj   +1 more source

Environmental Education in Costa Rica: Building a Framework for Sustainable Development? [PDF]

, 2008
Environmental education is commonly claimed to be at the centre of efforts to achieve sustainable development. Since the 1980s, Costa Rica has been one of the acknowledged leaders in efforts to promote environmental learning, and national policy includes
Aylward, Biesanz, Booth, Boza, Burlingame, Carnoy, Carriere, Courtenay-Hall, Evans, Figueres Olsen, Fischel Volio, Fischel Volio, Ham, Jickling, Kollmuss, McKeown, Nicole Blum, Palmer, Pérez, Quesada Camacho, Vaughn, Wals, Wearing, Zeledón   +23 more
core   +3 more sources

Prevalencia de infarto criptogénico en pacientes con diagnóstico de infarto cerebral

Revista Colombiana de Cardiología, 2017
Objetivo: Definir la prevalencia del infarto de origen criptogénico en pacientes con diagnóstico de infarto cerebral isquémico entre los años 2007 a 2014. Métodos: Se realizó un estudio de tipo corte transversal. Se incluyeron todos los pacientes mayores
Hernán F. Bayona-Ortiz, Carlos F. Martínez-Rubio, María C. Valencia-Mendoza, Mariajose Centeno-Padilla, Santiago A. Ortiz-Galindo   +4 more
doaj   +1 more source

Estudio del efecto transversal del motor de inducción lineal [PDF]

, 2019
El objetivo de este estudio es encontrar las relaciones que rigen el comportamiento, en régimen permanente, de un motor de inducción rotatorio convencional en el que se ha sustituido el rotor de jaula de ardilla por una lámina de material homogéneo. Esta
Romero Sepúlveda, Quintín, Ziehlmann Ojeda, Wilfredo   +1 more
core   +1 more source

Planning Collaborative Learning in Virtual Environments. La planificación del aprendizaje colaborativo en entornos virtuales [PDF]

, 2014
Collaborative learning has a strong presence in technologysupported education and, as a result, practices being developed in the form of Computer Supported Collaborative Learning (CSCL) are more and more common.
González-Sanmamed, Mercedes, Hernández-Sellés, Nuria, Muñoz-Carril, Pablo César   +2 more
core   +7 more sources

Factores asociados a la inactividad física en adolescentes colombianos: Estudio transversal

Revista Española de Nutrición Humana y Dietética, 2023
Introducción. La inactividad física es uno de los principales riesgos para enfermedades crónicas. Esta situación en adolescentes y jóvenes se ha convertido en un tema prioritario en la salud pública global. Objetivo. Explorar la asociación entre la inactividad física con los estilos de vida, factores demográficos, actividades sedentarias, sobrepeso y ...
Jorge Emilio Salazar Flórez, Luz Stella Giraldo-Cardona, Manuela Yepes, Andrés Felipe Henao, Mateo López, Diana Marcela Velandia, Valeria Pérez   +6 more
openaire   +3 more sources

An Accessible Microfluidic Platform for the Generation of Polarized Brain Organoids

Advanced Materials Technologies, EarlyView.
This study presents an accessible double‐gradient microfluidic device that enables controlled morphogen delivery and spatially polarized differentiation in brain organoids. By integrating a pump‐free design and stable fabrication method, the platform generates dorsal–ventral neuronal asymmetry, offering a reproducible and versatile approach to model ...
Daniel Pérez‐Calixto, Manuel Alejandro Vazquez Valle, Mitzi Pérez‐Calixto, Cindy Peto‐Gutiérrez, Iván Velasco, Genaro Vázquez‐Victorio, Itzel Escobedo‐Avila   +6 more
wiley   +1 more source

Conocimiento y percepción de la nocividad del cigarrillo electrónico en población adulta de Barcelona

Gaceta Sanitaria, 2015
Objetivo: Describir el conocimiento y la percepción de nocividad de los cigarrillos electrónicos (e-cigarrillos) en la población de Barcelona en 2013-2014.
José M. Martínez-Sánchez, Marcela Fu, Montse Ballbè, Juan Carlos Martín-Sánchez, Esteve Saltó, Esteve Fernández   +5 more
doaj   +1 more source

New postcranial remains of large toxodontian notoungulates from the late Oligocene of Mendoza, Argentina and their systematic implications [PDF]

, 2017
During the last decade, the Deseadan (late Oligocene) Quebrada Fiera locality, Mendoza Province, Argentina, has provided a large amount of mammal remains.
Cerdeño Serrano, Maria Esperanza, Hernández del Pino, Santiago Ezequiel, Seoane, Federico Damián   +2 more
core   +1 more source

Increased Risk of Intrahepatic Cholestasis of Pregnancy in SLE Women Exposed to Azathioprine

Arthritis &Rheumatology, Accepted Article.
Objectives To evaluate the risk of intrahepatic cholestasis of pregnancy (ICP) in azathioprine (AZA)‐exposed versus unexposed SLE pregnancies within the multi‐centre prospective Lupus in prEGnAnCY (LEGACY) cohort. Methods LEGACY is conducted at Systemic Lupus International Collaborating Centres in Canada, South Korea, Peru, and Mexico.
Reem Farhat, Maria del Carmen Zamora‐Medina, Sang‐Cheol Bae, Megan R.W. Barber, Ann E. Clarke, Paul R. Fortin, Zahi Touma, Carl A. Laskin, Isabelle Malhamé, Giada Sebastiani, Christine Peschken, Manuel F. Ugarte‐Gil, Alexandra Legge, Sasha Bernatsky, Évelyne Vinet   +14 more
wiley   +1 more source