@article{VerringClouthZiolkowskietal.2013,
  author    = {A. Verring and Aline Clouth and Piotr Ziolkowski and Gerhard Oremek},
  title     = {Clinical usefulness of cancer markers in primary breast cancer},
  journal   = {ISRN pathology},
  volume    = {2011},
  number    = {Article ID 817618},
  doi       = {10.5402/2011/817618},
  year      = {2013},
}