Hi Carla,
I can't find it either... it seems it's just not been published anywhere yet...
In case it's any help, here's all the details I can find:
The study was presented at:
2009 meeting on Retroviruses, May 18 - May 23
Cold Spring Harbor Retrovirus Symposium 2009
Cold Spring Harbour Laboratory.
"The prevalence of xenotropic murine leukemia virus-related virus in healthy blood donors in japan."
Authors:
Rika A. Furuta (*1), Takayuki Miyazawa (*2), Takeki Sugiyama (*3), Takafumi Kimura (*1), Fumiya Hirayama (*1), Yoshihiko Tani (*1) and Hirotoshi Shibata (*1)
*1 Department of Research, Japanese Red Cross Osaka Blood Center
*2 Laboratory for Viral pathogenesis, Institute for Virus Research, Kyoto University
*3 Department of Urology, Nishiwaki Municipal Hospital.