N NITROSOBIS (2 OXOPROPYL) AMINE (NBOP), a postulated 3-metabolite of di-n-propyl-nitrosamine, has been found to be a potent carcinogen in different species of animals (Pour et al., 1977a; Rao & Pour, 1978; Pour et al., 1979). In hamsters, a single or repeated s.c. administration of NBOP (Pour et al., 1977a, 1978) is reported to cause a high incidence of pancreatic ductal tumours. Because of th...

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REPORTING REQUIREMENT When hospitals enter into Medicare provider agreements with HCFA, they make certain com mitments required by statute. The new regulations now add to this list a requirement to report to HCFA, or the state licensing authority, any time a hospital has "reason to believe it may have received an individual who has been transferred in an unstable emergency medical condition fro...

Several conclusions may now be drawn by management, based on results derived from several "laboratory" experiments in information retrieval. A major finding is that a controlled indexing language (controlled by an authority list of headings) will not provide more effective retrieval than will the uncontrolled type. Automatic indexing, using semantic and syntactic devices, does not improve upon ...

In this paper, we focus on the induction of naive rules for classifying text documents. An algorithm is briefly described for the creation of key-phrases from a given set of documents and these key-phrases are organized and used as features for the automatic classification of new documents. An Authority list of key-phrases is specified by the algorithm containing key-phrases that are frequent w...

. iiniMne RnmoanVi rrtv*n i icno ur iiib?iv>? ? Baltimore: The Williams and Wilkins Company, 1933. Pp. x plus 207. Price, 5s. (Agents are: Messrs. Bailliere, Tindall and Cox, London.) This book is one volume of a series entitled A century of progressFrom the list at the end of the book it is gathered that this series consists of a collection of small volumes on various technical subjec s, each ...

To develop an expert consensus opinion of the criteria for selection of peer educator for HIV/AIDS care program, twenty experts were invited to complete a two-round Delphi consultation. Response rates of the panelists for the first and second rounds were both 100%, and the authority coefficient of the experts was 0.75. Experts achieved consensus on a total of nine items (75%) on completion of t...

The UAW believes that NTP should explore additional options for testing of chemicals beyond inclusion on this test list, and for funding this testing while using NTP protocols. In particularly, the UAW urges NTP to explore with EPA the use of authority under the Toxic Substances Control Act to promulgate test rules to compel producers of chemicals to provide funding for bioassays. In addition, ...

The deployment of information-sharing systems in large organizations can significantly impact existing policies and procedures with regard to authority and control over information. Unless information-sharing systems explicitly support organizational structures and needs, these systems will be rejected summarily. The Postdoc system is a deployed Web-based information-sharing system created spec...