This is the HD video of Cpt. Tom Perez's presentation at the 6th International Congress on Autoimmunity, in Porto, Portugal, Sept 10-14, 2008, titled:

"Bacteria Induced Vitamin D Receptor Dysfunction in Autoimmune Disease: Theoretical and practical Implications for Interpretation of Serum Vitamin D Metabolite Levels"

A written transcript of this presentation is available from URL:
AutoimmunityResearch.org/transcripts/ICA2008_Transcript_TomPerez.pdf

There is a button to switch the HD OFF at the middle right of the video. Please use this if you need a lower resolution version more suitable for slower computers or slower Internet connections.

For clearest video please select the Full Screen icon and then click the "Scaling Off" button at middle right of the full-screen. This will display the slides at full HD resolution (1280x720)(provided your computer screen is larger than 1280x720, of course :)