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1.
Nature ; 424(6945): 168-70, 2003 Jul 10.
Article in English | MEDLINE | ID: mdl-12853950

ABSTRACT

Pluto's tenuous nitrogen atmosphere was first detected by the imprint left on the light curve of a star that was occulted by the planet in 1985 (ref. 1), and studied more extensively during a second occultation event in 1988 (refs 2-6). These events are, however, quite rare and Pluto's atmosphere remains poorly understood, as in particular the planet has not yet been visited by a spacecraft. Here we report data from the first occultations by Pluto since 1988. We find that, during the intervening 14 years, there seems to have been a doubling of the atmospheric pressure, a probable seasonal effect on Pluto.

2.
Rev. Fac. Odontol. Univ. Chile ; 18(2): 9-16, jul.-dic. 2000. ilus, tab
Article in Spanish | LILACS | ID: lil-285013

ABSTRACT

Con el objetivo de conocer el comportamiento post operatorio de pacientes rehabilitado con prótesis removibles se seleccionó una muestra de 166 individuos tratados en la Facultad de Odontología de la Universidad de Chile. Trasuna evaluación clínica se encuentra que los problemas aparecen frecuentemente en las prótesis Clase I y II de Kennedy (vías de carga mixta), expresados en el no uso de las prótesis, aludiendo falta de retención, dificultad para masticar y fracturas de retenedores. Existe un alto porcentaje de pacientes no conformes con su tratamiento y se halló una relación significativa entre el acostumbramiento y la experiencia previa con prótesis


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Denture, Partial, Removable/standards , Adaptation, Psychological , Postoperative Care , Postoperative Complications/prevention & control , Postoperative Period , Patient Satisfaction/statistics & numerical data
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