GeneSigDB: a manually curated database and resource for analysis of gene expression signatures. - Aedín C. Culhane; Markus S. Schröder; Razvan Sultana; Shaita C. Picard; Enzo N. Martinelli; Caroline Kelly; Benjamin Haibe-Kains; Misha Kapushesky; Anne-Alyssa St Pierre; William Flahive; Kermshlise C. Picard; Daniel Gusenleitner; et al. (Nucleic Acids Res., 2012)