Find Bookkeeping and Accounting by Greg Shields in Paperback and other formats in Business & Economics > Bookkeeping.

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Rapid progress in the technique and practice of virtual colonoscopy as well as the conti- ing clinical high interest for this radiodiagnostic procedure made this second edition, only 3 years after the publication of the ? rst edition of this successful volume, necessary. This new edition includes the latest study results and technical developments of this exciting noninvasive diagnostic modality for the evaluation of the colon. The technical presentation and lay out of the text and of the many new illustrations are impeccable. The editors were again able to ensure the collaboration of many international leaders in the ? eld and the book offers a very comprehensive overview of all aspects and issues of CT colonography with a focus on how to perform practically this examination, which requires meticulous technique starting from rigorous preparation, then the conduct of the study itself, and ? nally the interpretation of the results. I am very much indebted to the editors and the collaborating authors for preparing this outstanding volume in a record short time period, which enabled them to include the latest technical advances in this rapidly evolving important radiological method. It is highly recommended to general and gastrointestinal radiologists as well as gast- eneterologists as a most welcome update of their knowledge and as a practical guide in their daily practice. I am convinced that this second edition will meet the same success with our readership as the ? rst one.

A Virtual Wall prevents your home robot from entering off-limit areas. Each emits an adjustable infrared beam (up to 8 feet) that the robot will not cross. Requires 2 D batteries (not included). Compatible with iRobot Dirt Dog, iRobot Roomba 400 Series (excluding SKUs 43501 and 44001), Discovery Series, Original Series and Create.

The Virtual Halo is great for homes with pets. It sets up a protective zone, gently guiding Roomba or Scooba 450 around your pet's food and water bowls to keep the contents intact. Requires 2 C batteries, not included. Compatible with all Roomba 500, 600, 700 and 800 Series models, Create 2 and Scooba 450