Functional EpoR Pathway Utilization Is Not Detected in Primary Tumor Cells Isolated from Human Breast, Non-Small Cell Lung, Colorectal, and Ovarian Tumor Tissues. - Patterson, Scott D.; Rossi, John M.; Paweletz, Katherine L.; Fitzpatrick, V. Dan; Begley, C. Glenn; Busse, Leigh; Elliott, Steve; McCaffery, Ian (PLoS ONE, 2015)