http://www.ncbi.nlm.nih.gov/pmc/journals/?filter=t1
http://highwire.stanford.edu/lists/freeart.dtl
http://www.nlm.nih.gov/bsd/lstrc/new_titles.html
http://www.nlm.nih.gov/pubs/pubcat.html#ordering
http://www.unboundmedicine.com/medline/ebm/browse/Journals
http://www.ncbi.nlm.nih.gov/sites/entrez?Db=journals&Cmd=DetailsSearch&Term=currentlyindexed%5BAll%5D
Version 3.0 was released on November 21, 2008. A detailed explanation of the changes from version 2.3 is available in the
v3.0 Change Report
Version 2.3 is available here: http://dtd.nlm.nih.gov/archiving/2.3/
Version 2.2 is available here: http://dtd.nlm.nih.gov/archiving/2.2/
Version 2.1 is available here: http://dtd.nlm.nih.gov/archiving/2.1/
Version 2.0 is available here: http://dtd.nlm.nih.gov/archiving/2.0/
Version 1.1 is available here: http://dtd.nlm.nih.gov/archiving/1.1/
Version 1.0 is available here: http://dtd.nlm.nih.gov/archiving/1.0/
http://www.ucl.ac.uk/library/ejournal/index.shtml
http://www.ncbi.nlm.nih.gov/books
http://www.biomedcentral.com/1471-2199/2/3
http://www.accessmedicine.com/textbooks.aspx
http://www.digitallibrary.edu.pk/books.html