Here are some links for those who have asked - the report was published in European Spine Journal April 2013 and is online-
Albert HB, Sorensen JS : Antibiotic Treatment in patients with chronic low back pain and vertebral bone odema.
and, the same journal, date, authors etc
Does nuclear tissue infected with bacteria following disc herniations lead to Modic changes in the adjacent vertebrae ?
Also, NHS Choices website has published a cautious though helpful report about it all.