Thanks Sam. The date given in that link is actually Volume 43, Issue 3, September 2008, Page 245 and it was posted in December. I don't see where "Monday, October 13, 2008" comes from? Anyway, it just goes further towards confirming what Bob and I have been saying and fleshes out a little more detail. This is an even earlier version of the results, it looks like about 11 patients and 2 controls were not included in the later presentation, and 50 of these weren't included in the XMRV cytokine paper. That's one explanation, but of course this could be another entirely different cohort, or another experimental run on roughly the same cohort - if they can run the high-throughput tests in 6 hours, then maybe they've run this study several times. If they did just do one study, and removed a few samples before later publication, they haven't stated why they decided to exclude some of the samples from their results, and if the point is that they should have explained this, then I would have to agree that if this is all the same study there seems to be detail missing here, but it looks to me like it's either a process of progressive refinement of the cohort as they did further testing, or they ran this study a few times. Would be interesting to ask them if these were all results from the same round of testing, or multiple studies.