CoGA: an R package to identify differentially co-expressed gene sets by analyzing the graph spectra - Santos, Suzana de Siqueira; Galatro, Thais Fernanda de Almeida; Watanabe, Rodrigo Akira; Shinjo, Sueli Mieko Oba; Marie, Suely Kazue Nagahashi; Fujita, André (PloS ONE, 2015)