Results 191 to 200 of about 334,484 (327)

What Are the Best Predictors of STEM Competences in PISA 2018? An Analysis of the Spanish Context Using Data Mining

open access: yesSchool Science and Mathematics, EarlyView.
ABSTRACT The importance of Science, Technology, Engineering, and Mathematics (STEM) subjects for the present and future society is clear. With assessments such as the Programme for International Student Assessment (PISA), the possibility of an analysis on student‐related variables predicting results in STEM areas opens. The aim was to identify the PISA
Pedro Gil‐Madrona   +3 more
wiley   +1 more source

Análisis cualitativo de la percepción que tienen las personas que participan en un ensayo clínico: Navarra [PDF]

open access: diamond, 2002
Carmen Silvestre   +3 more
openalex   +1 more source

Magnesitas navarras

open access: yes, 1980
En las proximidades de la fábrica, el polvo liberado de los hornos de la planta de calcinación de magnesita afecta negativamente, con variable intensidad, a la vegetación natural, cultivos y ganado. El área afectada es lo suficientemente extensa como para exigir un estudio de las causas reales de los efectos negativos y de su posible solución.
Alberto Giménez, Francisco   +1 more
openaire   +1 more source

Potential benefits of an alternative haemoglobin deferral strategy evaluated in seven countries

open access: yesVox Sanguinis, EarlyView.
Abstract Background and Objectives On‐site donor deferral for low haemoglobin (Hb) levels poses significant challenges for blood establishments globally, leading to material wastage and consumption of valuable staff and donor time. Traditionally, donors are deferred based on a single visit's Hb measurement, without considering previous Hb levels and ...
Amber Meulenbeld   +16 more
wiley   +1 more source

Performance of upper gastrointestinal endoscopy in CDH1 germline pathogenic variant carriers: A multicenter study

open access: yesInternational Journal of Cancer, Volume 157, Issue 12, Page 2550-2557, 15 December 2025.
What's New? Hereditary diffuse gastric cancer, characterized histologically by the presence of signet ring cell carcinoma, is a syndrome primarily caused by pathogenic variants in the CDH1 gene. Preventive strategies include risk‐reducing total gastrectomy and endoscopic surveillance.
Joaquín Castillo‐Iturra   +23 more
wiley   +1 more source

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