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Sarkar K, Cai Z, Gupta R, Parajuli N, Fox-Talbot K, Darshan MS, Gonzalez FJ, Semenza GL.Sarkar K, et al. Among authors: darshan ms.Proc Natl Acad Sci U S A. 2012 Jun 26;109(26):10504-9. doi: 10.1073/pnas.1208314109. Epub 2012 Jun 13.Proc Natl Acad Sci U S A. 2012.PMID: 22699503Free PMC article.