1- Can some breast cancer tumors regress if left untreated?
http://edition.cnn.com/2008/HEALTH/conditions/11/24/healthmag.mammograms.breast.cancer/
2- Study Suggests Some Cancers May Go Away
http://www.nytimes.com/2008/11/25/health/25breast.html?pagewanted=all&_r=0
3- Hvert år blir 800 kvinner brystkreft-pasienter uten grunn
http://www.vg.no/helse/artikkel.php?artid=10078313
4- Lege: Unødig mange kreftdiagnoser
http://www.aftenposten.no/nyheter/iriks/Lege-Unodig-mange-kreftdiagnoser-6674974.html#.UdWGq9iFSKc