ResumenLos dientes supernumerarios son anomalías en el desarrollo dental que pueden estar o no asociadas a algún síndrome; su prevalencia oscila entre 0.3 y 3.8% y su incidencia entre 0.1 y 3.8% de acuerdo a la población de estudio. Estos dientes pueden presentarse en l...

AbstractOne of the major goals of systematics is to provide a synthesis of knowledge on the diversity of a group of organisms, such as flowering plants. Biodiversity conservation and management call for rapid and accurate global assessments at the species level. At the ...

AbstractThe aims of this paper were: 1) to describe the differences in causal attributions of overweight or obesity in two groups of women, one with overweight or obesity and the another with normal weight or underweight, and 2) to generate predictive models for three c...

Abstract Background von Willebrand disease is the most common inherited disorder of the coagulation proteins in humans. There are three types: 1, 2A, 2B, 2N, 2M and 3. It is associated with mutations on chromosome 12 in the region p13.2, encoding the von Willebrand fact...

Resumen Introducción La adecuada elaboración de los reactivos de un examen constituye una evidencia de validez del mismo. A pesar de existir un consenso general sobre las recomendaciones en la elaboración de un buen reactivo, hay diferentes estudios publicados que repor...

Abstract Given a group, its coset spaces provide all homogeneous spaces for its action. A subgroup chain allows for the construction of a bundle of sections over a coset space of independent variables, where the fiber coordinates are dependent variables and all their pa...

Green Chemistry: A topic for the present and future of chemistry education This special issue on Green Chemistry focuses on one of its most important goals, which is the diffusion of its principles, advances and challenges to the general public, chemistry students and p...

Abstract In this paper, we derive a class of analytical solution of the damped Helmholtz–Duffing oscillator that is based on a recently developed exact solution for the undamped case. Our solution procedure indicates that this solution holds for specific system parametr...