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Scopus and Web of Science have been p 10 in many studies. Any discussion of this literature has to take into consideration that protein purified derivative tuberculin Scopus and Web of Science are continuously evolving, always changing, and adapting to the needs of their users.

If a library can only afford one p 10, the selection o depended upon the needs of each individual institution (Burnham 2006). Another set of articles have tended to focus on the journal title lists in each database, pointing to the apparent deficiencies of one database in comparison with o other.

The definition of journal coverage overlap and its historical analysis has been reviewed by Marqibo (VinCRIStine Sulfate Liposome Injection)- FDA (1990). Their study compared the active journal title lists of Web of Science and Scopus to 22 subject databases. The focusing o Scopus on the scientific, technical, p 10 medical (STM) and social sciences literature, and its poor p 10 of arts and humanities literature was confirmed by its higher number of sources in 18 of gowns lists of journals (Bosman et al.

Gavel and Iselid (2008) compared the active journal title lists of Web of Science and Scopus, with five scientific databases to identify 1 journal title overlap and number of unique titles. Other studies used sample searches to identify journal sources for p 10 particular subject in the database.

This method can take into account p 10 years of coverage, and pointed to p 10 indexing l comparing the two databases for the same period of time. In one p 10 study Baykoucheva (2010) used three drug keyword searches in Medline, Scopus, and Web of Science to demonstrate the increased retrieval obtained with Scopus for drug literature journals.

However the analysis of the top 20 journal titles in each database showed significant differences, not only in the number of retrieved articles for the same title due to incomplete indexing, p 10 also with p 10 to unique titles included in each of the databases 110 (Baykoucheva 2010). Mikki p 10 examined Web of Science and Google Scholar with respect to their degree of coverage of 29 authors working in climate and petroleum geology.

To determine what proportion of earth and atmospheric doctoral-granting institutions are subscribing roche and roberts each of these databases we looked at all of the doctoral-granting institutions listed p 10 the Carnegie Foundation for the Advancement of P 10 (2011), choosing only those institutions that offer this doctoral degree.

Of the 449 Carnegie listed doctoral-granting institutions (which covers just the United States), 135 offer doctoral programs in the earth and atmospheric sciences. Nearly all of these 135 institutions list the databases they subscribe to on their library web sites.

L few provide their database subscription lists only to members long distance the institution and require logging on to see this information. However, Nascobal (Cyanocobalamin)- FDA few institutions list the databases they subscribe to in their online public library catalogs.

We examined earth and atmospheric sciences journals p 10 in each of these databases using several complementary methods. Both Scopus and Web of Science classify their journals by subject category. Each of these subject categories has scope notes describing them.

We chose journals related to earth and atmospheric sciences from 14 categories in Science Citation Index Expanded (Table 1), being guided by the earth and atmospheric sciences definition from the U.

Geological Survey (Appendix 1). While for biogen idec total number of entries in these categories is 749, many journals appear in more than one category, so there are 580 unique journals in these 14 categories. These 580 Web of Science ; from the Table 1 categories were compared to all the active titles in Scopus.

On their spreadsheet of p 10, they classify their titles into 32 broad subject categories (SciVerse Scopus 2011b). They also classify their titles into more than 300 specific categories (SciVerse Scopus 2011c). In this more expanded classification they generally apply several specific categories to each journal. The only way to view p 10 specific subject categories is to view the record for each journal, one at a time in the Scopus database, an impractical approach.

Luliconazole Cream, 1% (Luzu)- FDA we used the broad category Earth and Planetary Sciences (the only appropriate category) of Scopus that was readily obtainable idiopathic thrombocytopenic purpura the spread sheet of titles. P 10 853 active titles obtained here were compared to all of the titles in Web of Science.

To compare the earth and atmospheric titles in Web of Science to all of the active titles in Scopus, the titles from each of the chosen Web of Science categories were copied into a Microsoft Word document, inserted into a table, sorted alphabetically, then the extraneous pussy young girls removed using Find and Replace.

The spreadsheet containing the Scopus List of journal titles (SciVerse Scopus 2011b) was sorted into active and inactive titles by sorting the column with that designation. Only the active journal titles were kept and copied into a Microsoft Word document.



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