text: *Koss K, Maxton D, Jankowski JAZ. The potential use of fecal dimeric M2 pyruvate kinase (Tumor M2-PK) in screening for colorectal cancer (CRC). Abstract from Digestive Disease Week, May 2005; Chicago, USA.
  *Mc Loughlin R, Shiel E, Sebastian S, Ryan B, O´Connor HJ, O´Morain C. Tumor M2-PK, a novel screening tool for colorectal cancer. Abstract from Digestive Disease Week, May 2005, Chicago/USA