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As thematic reviews are intended to examine trends and risk issues horizontally , an audit or other more focussed study would be required in order to delve more deeply into specific areas of concern identified in this review . If it has none ( if its value cell is void ) , an error is signaled . " Traditional networking vendors have attempted to address internal security by adding security features to their existing switches or routers , an approach that delivers second-rate security and results in degraded network performance , " said Peter George , president and CEO of Crossbeam Systems . Second , we consider it essential that controls on weapons are matched with equally strict controls on their ammunition , an approach already supported by a UN Group of Experts in 1999 . When reviewed from the article readership viewpoint , an IMUextra article had 76.45 readings per 1,000 users , while an average IMU article collected just 0.75 readings . For example , if an activity in a pageflow refers to an object in the resource set that does not exist , an error message informs you of the problem . For those products and services that are new to the market , an ad in the official catalog will insure the best possible coverage . After submission of the request , an Ad hoc group comprising the best renowned experts is then appointed to review the submission with regard to the relevant disease . Members of the drafting subcommittee , an ad hoc committee and chartered committees by and large worked hard and stayed with the process . If there are no arguments , an error is signaled . Soon after the 2000 local government elections , an approach towards by-elections was developed to ensure that we were able to respond to this challenge . It is fact filled , an approach that generally does not gently guide the student into a topic in an illuminating , mentoring way .