Interphase fluorescence in situ hybridization improves the detection of malignant cells in effusions from breast cancer patients. - Zojer,N.; Fiegl,M.; Angerler,J.; Mullauer,L.; Gsur,A.; Roka,S.; Pecherstorfer,M.; Huber,H.; Drach,J. (Br J Cancer, 1997)