Peter Suber, Open Access News
...showed that one-fifth of the web sites noted in Medline abstracts over a ten-year period had vanished. Robert Dellavalle's study of broken links in NEJM, JAMA and Science from 2003 is also mentioned (see earlier OAN posting,) with...
http://www.earlham.edu/~peters/fos/2004_04_04_...
Peter Suber, Open Access News
...Robert Dellavalle, et al., Self-archiving dermatology articles, Journal of the American Academy of Dermatology 59(6), 2008. Self-archived December 16, 2008. Abstract: Discusses the merits of depositing medical journal articles in...
http://www.earlham.edu/~peters/fos/2008_12_14_...