Schiza, Christina Farkona, Sofia Chimonidou, Maria Vorkas, Panos Malamos, Nikos Georgoulias, Vasilis Lianidou, Evi S., Detection of PIK3CA somatic mutations in cell-free DNA of breast cancer patients by high-resolution melting curve analysis, Current Cancer Research, (72), 2012, AMER ASSOC CANCER RESEARCH,