Difficult to Diagnose Diseases. Not that we need to be told!

[DustyKat]

Not surprisingly IBD slots nicely into the list.

http://www.insurancequotes.org/2011/07/31/13-most-difficult-diseases-to-diagnose/

http://www.rightdiagnosis.com/intro/difficult.htm

https://www.aarda.org/infocus_article.php?ID=15

Dusty. :voodoo: