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Results in a series of 30 dogs subjected to tracheal resection and repair are described. The dogs were divided into three groups. Seven to ten rings of the trachea were resected and then were replaced by a prosthesis made of dura mater and stainless steel wire. Different aspects of the procedures for respiratory support in the three groups are evaluated, as… (More)
BACKGROUND With available laparoscopic and endoscopic instruments/technology a standard radical sigmoid resection is feasible and safe using transvaginal minilaparoscopic-assisted natural orifice surgery (MA-NOS). METHODS The intervention was a transvaginal MA-NOS sigmoidectomy in a 78-year-old woman with a sigmoid adenocarcinoma. Maintaining… (More)
BACKGROUND Standard sleeve gastrectomy for the morbidly obese is feasible and safe using the hybrid transvaginal minilaparoscopic-assisted natural orifice surgery (MA-NOS) with available laparoscopic/endoscopic instruments and technology as illustrated by this technical report on a female patient. METHODS The intervention was a transvaginal sleeve… (More)
Low resolution satellite imagery has been extensively used for crop monitoring and yield forecasting for over 30 years and plays an important role in a growing number of operational systems. The combination of their high temporal frequency with their extended geographical coverage generally associated with low costs per area unit makes these images a… (More)
Due to an oversight by the authors, in the upper graph in Figure 4  only the determination coefficients for Morocco are correct. Those for the other three countries are wrong. The authors wish to correct this mistake (see the following Figure 4).
Focused crawlers are programs designed to download web pages which are relevant to specific topics. Using information gathered at running time, focused crawlers explore the web following promissory hyperlinks and fetching only pages which appear to be relevant. These crawlers are receiving increasing attention because they favor the construction of vertical… (More)
Large search engines are complex systems composed by several services. Each service is composed by a set of distributed processing nodes dedicated to execute a single operation required to user queries. One of these services is in charge of computing the top-k document results for queries by means of a document ranking operation. This ranking service is a… (More)
The author hereby grants to MIT permission to reproduce and to distribute publicly paper and electronic copies of this thesis document in whole or in part in any medium now known or hereafter created.