منابع مشابه
[Investigation on unsuccessful endoscopic operation for cases with vesicoureteral reflux].
Endoscopic operation of vesicoureteral reflux (VUR) has several advantages such as less invasiveness and technical ease with the procedure and shorter hospitalization for the operation in comparison with coeliotomy, but the cure rate achieved by endoscopic operation compares unfavorably with that by coeliotomy. The unsuccessful cases of VUR by endoscopic operation were investigated to promote t...
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Stent implantation in vascular access for haemodialysis has grown up in the last few years. Nine percent of percutaneous transluminal angioplasties (PTA) performed in 2001 on haemodialysis accesses was associated with stent implantation, according to the United States Renal Data System 2003 annual data report [1]. Furthermore, graft longevity is improved when stenoses are treated with stents in...
متن کاملPetal-like modes in Porro prism resonators.
A new approach to modeling the spatial intensity profile from Porro prism resonators is proposed based on rotating loss screens to mimic the apex losses of the prisms. A numerical model based on this approach is presented which correctly predicts the output transverse field distribution found experimentally from such resonators.
متن کاملKaleidoscope modes in large aperture Porro prism resonators.
We apply a new method of modeling Porro prism resonators, using the concept of rotating loss screens, to study stable and unstable Porro prism resonator. We show that the previously observed petal--like modal output is in fact only the lowest order mode, and reveal that a variety of kaleidoscope beam modes will be produced by these resonators when the intra--cavity apertures are sufficiently la...
متن کاملThe Unsuccessful Reader
still comparatively young, they realize when 15 or 16, the importance of reading. However, being forced to go through the initial stages where scarcely any other reading matter is available but that written for much younger children, they detest reading though attracted at the same time to a skill which seems so necessary to all other people. This regret and disappointment may assist considerab...
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ژورنال
عنوان ژورنال: The American Journal of the Medical Sciences
سال: 1882
ISSN: 0002-9629
DOI: 10.1097/00000441-188207000-00104