#302 download URL with medline fetch

[kumpfk]

Wouldn't it be a bright idea if after import the
URL-field contained at least the Entrez URL that points
to the fetched artisle itself?

Roughly like in this example:
@ARTICLE{Adams1995,
author = {Adams, D.C. and Heyer, E.J. and Emerson,
R.G. and Moeller, J.R. and
Spotnitz, H.M. and Smith, D.H. and Delphin, E. and
Turner, C},
title = {The reliability of quantitative
electroencephalography as an indicator
of cerebral ischemia},
journal = {Anesth {A}nalg},
year = {1995},
volume =
{81http://gasnet.med.yale.edu/reference/bibliography/snacc/EEGList2.html},
pages = {80--3},
abstract = {The electroencephalogram ({EEG}) has been
used t...<snip>,
keywords = {intraoperative care methods},
owner = {kumpf},
timestamp = {2005.10.06},
url =
{http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7598287&dopt=Abstract}
}</snip>