Given all the interest in infections here's another study from Ectrims 2006 that I'm also surprised no one has posted. :roll:
PCR for bacteria in multiple sclerosis cerebrospinal fluid
J.W. Lindsey, S. Patel (Houston, USA)
Objective: The objective of this study was to use a sensitive PCR method to test for the presence of seven different groups of bacteria in the cerebrospinal fluid (CSF) ...