<<i can't find the site adress but search for David Derry ( the MD)
and Mary
j. Shomon ( the writer of the article
On top  my printed version i see : you are here: about>
health/fitness>thyroid disease.( may be it can help you to find the
site )
the title of the article is "rethinking the TSH test">>

It is http://thyroid.about.com/health/thyroid/mbody.htm

 This is ABOUT.com's thyroid disease site.

http://thyroid.about.com/health/thyroid/library/weekly/aa111097.htm

The above is Mary Shomon's article with links to other articles.

Siobhan