Yoshihara K, Shahmoradgoli M, Martínez E, Vegesna R, Kim H, Torres-Garcia W, Treviño V, Shen H, Laird PW, Levine DA, Carter SL, Getz G, Stemke-Hale K, Mills GB, Verhaak RG.

Nat Commun. 2013 Oct 11;4:2612. doi: 10.1038/ncomms3612

Inferring tumour purity and stromal and immune cell admixture from expression data.

Derived lists of genes ususally not expressed in cancer, and used them to score for the presence of non-cancer cells in tumor samples.