@patent{4152,
  title = {MR/PET Attenuation Correction},
  organization = {Max-Planck-Gesellschaft},
  school = {Biologische Kybernetik},
  month = jul,
  year = {2006},
  slug = {4152},
  author = {Hofmann, M. and Sch{\"o}lkopf, B. and Steinke, F. and Pichler, BJ.},
  month_numeric = {7}
}