In addition, the following services index/include a selection of BioMed Central research journals (as indicated):
Thomson Reuters (ISI)
BMC Biochemistry Impact Factor due: June 2011 unofficial 2007 Impact Factor: 2.34**
BMC Psychiatry Impact Factor due: June 2010 unofficial 2007 Impact Factor: 1.28**
Plant Methods Impact Factor due: June 2010 unofficial 2007 Impact Factor: 2.06**
* Services offered by Thomson Reuters (ISI) include Web of Science, Science Citation Index and Current Contents. For more information about Thomson Reuters (ISI) tracking of BioMed Central journals, see our citation tracking FAQ.
**Unofficial Impact Factors
For journals that have not yet been tracked by Thomson Reuters (ISI) for long enough to have an Impact Factor it is nonetheless possible to calculate an unofficial Impact Factor, which we have done for some journals.
Unofficial 2007 Impact Factors were established by dividing the number of times articles published in 2005 and 2006 were cited in 2007, based on a search of the Science Citation Index database, by the number of articles published in the previous two years (2005 and 2006).
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MEDLINE
The following journals are included in MEDLINE:
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EMBASE/Excerpta Medica and Scopus
CAS
The following journals are tracked by CAS: All BMC journals
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CABI
The following journals are tracked by CABI:
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Medscape
Selected articles from the following journals are made available by Medscape:
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