Quantitative determination of estrogen receptor, progesterone receptor, and HER2 mRNA in formalin-fixed paraffin-embedded tissue: a new option for predictive biomarker assessment in breast cancer - Pfitzner, Berit Maria; Kronenwett, Ralf; Hennig, Guido; Euting, Heike; Weber, Karsten; Bohmann, Kerstin; Weichert, Wilko; Altmann, Gabriela; Roth, Claudia; Winzer, Klaus-Jürgen; Kristiansen, Glen; Petry, Christoph; et al. (Diagnostic molecular pathology, 2011)