- Reliability and discriminant validity of HER2 gene quantification and chromosome 17 aneusomy analysis by real-time PCR in primary breast cancer. Lamy, P.J., Nanni, I., Fina, F., Bibeau, F., Romain, S., Dussert, C., Penault Llorca, F., Grenier, J., Ouafik, L.H., Martin, P.M. Int. J. Biol. Markers (2006)