Gene Expression Programs of Human Smooth Muscle Cells: Tissue-Specific Differentiation and Prognostic Significance in Breast Cancers. - Jen-Tsan Chi; Rodriguez, Edwin H.; Zhen Wang; Nuyten, Dimitry S. A.; Mukherjee, Sayan; Van de Rijn, Matt; Van de Vijver, Marc J.; Hastie, Trevor; Brown, Patrick O. (PLoS Genetics, 2007)