Metabolic Profiling of Hypoxic Cells Revealed a Catabolic Signature Required for Cell Survival Frezza, Christian ; Zheng, Liang ; Tennant, Daniel A. ; Papkovsky, Dmitri B. ; Hedley, Barbara A. ; Kalna, Gabriela ; Watson, David G. ; Gottlieb, Eyal Abstract Publication: PLoS ONE Pub Date: September 2011 DOI: 10.1371/journal.pone.0024411 Bibcode: 2011PLoSO...624411F