Results 21 to 30 of about 17,470 (151)

Tratamiento Quirúrgico del Quiste Pilonidal. Técnica Semiabierta

open access: yesRevista Colombiana de Cirugía, 2021
Se evalúa en forma prospectiva el protocolo de tratamiento del quiste pilonidal en 73 pacientes sometidos a cirugía en la Clínica San Rafael de Santafé de Bogotá, D. C, entre enero de 1983 y enero de 1991.
Carlos Alberto Sánchez T.   +7 more
doaj  

Estudios sobre Lehismaniasis en Colombia

open access: yesRevista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica, 1995
La lehismaniasis ha sido tema de estudio para el Ser­vicio de Dermatología del Hospital Militar desde hace varios años. Consecuencia de ello, son ios resultados que presentamos en este trabajo y que buscan determi­nar, en primer lugar si la aplicación ...
Hernán Mejía S   +7 more
doaj  

Mechanisms of Vegetation Community Self‐Organization Driven by Water Availability in Arid Northwest China

open access: yesWater Resources Research, Volume 62, Issue 5, May 2026.
Abstract Precipitation is scarce in arid regions, making water redistribution a key driver of vegetation patterns, especially for non‐zonal vegetation in oases. Nevertheless, the coupling and mutual feedback mechanism between water and vegetation distribution is complex, and it has not been fully addressed. Taking an arid region of Northwest China as a
Xing Li   +11 more
wiley   +1 more source

De la Vírgen de Monserrat al Señor Caído de Monserrate. Misterio, fe y lugar

open access: yesAtrio., 2012
Las transferencias culturales que existieron entre España y América, tuvieron como uno de sus principales vehículos las devociones. Gracias a ellas, las manifestaciones materiales e inmateriales, las imágenes, las técnicas de elaboración, y los autores ...
Marcela Cristina Cuéllar Sánchez
doaj  

SOBRE UNA CONJETURA DE BOREVICH & SHAFAREVICH

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
• l. Borevich & l. R. Shafarevich conjeturaron la racionalidad de la serie de Poincaré ∑n≥0CnUn donde C0=1 y Cn (≥1) designa al número de soluciones de la reducción módulo ℓr, ℓe primo racional, de un polinomio H(t) € Z,[t], t= (t1…,t).
Víctor Samuel Albis González   +1 more
doaj   +1 more source

Colangiografia por Resonancia Magnética

open access: yesRevista Colombiana de Cirugía, 2021
Se adelanta un estudio prospectivo sobre colangiorresonancia en el Hospital de San José de Bogotá, como medio diagnóstico en los casos de patología de las vías biliares intra y extrahepáticas.
Mauricio Mejía G.   +2 more
doaj  

Revolutionizing Footwear Design: A Review of Lattice Engineering, Biomechanics and Additive Manufacturing in 3D Printed Shoes

open access: yesAdvances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
Additive manufacturing is redefining footwear fabrication by enabling customized designs, lightweight cellular structures and enhanced biomechanical performance all while optimizing material efficiency. This review critically evaluates the role of foot anthropometry, lattice architecture and process optimization in the design and production of 3D ...
James K. Wangui   +3 more
wiley   +1 more source

Balanced Underbagged Ensemble Approach for Classifying Highly Imbalanced Datasets in the Insurance and Financial Sectors

open access: yesIntelligent Systems in Accounting, Finance and Management, Volume 32, Issue 4, December 2025.
ABSTRACT Data bias is a critical challenge in machine learning applications within the financial and insurance sectors, as it can lead to misleading risk assessments and inaccurate predictive models. A prevalent source of bias in real‐world datasets is the imbalanced distribution of classes, which is particularly problematic in fraud detection, credit ...
Alberto Gutierrez‐Gallego   +4 more
wiley   +1 more source

Queratosis actínicas

open access: yesRevista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica, 1994
Se aplicó fluorouracilo tópico en crema dos veces por día durante un mes a un grupo de 38 pacientes con queratosis actínicas. (11 placebo, 15 al 2% y 12 al 5%).
Gaby Flórez Bedoya   +3 more
doaj  

Efficacy of Heterorhabditis bacteriophora Against Diapausing Larvae of the Truffle Beetle, Leiodes cinnamomeus

open access: yesJournal of Applied Entomology, Volume 149, Issue 7, Page 1105-1108, August 2025.
ABSTRACT The truffle beetle, Leiodes cinnamomeus, is the most important pest in black truffle (Tuber melanosporum) plantations. Adults and mycophagous larvae are active during autumn and winter, while diapausing larvae are not. Previous laboratory studies demonstrated the high virulence of the entomopathogenic nematode (EPN) Heterorhabditis ...
Ivan Julià   +3 more
wiley   +1 more source

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