@article{Ionascu2018, author = "Mihaela Ionascu and Ion Ionascu and Marian Sacarin and Mihaela Minu", title = "{Variables correlation matrix.}", year = "2018", month = "11", url = "https://plos.figshare.com/articles/dataset/Variables_correlation_matrix_/7372643", doi = "10.1371/journal.pone.0207175.t009" }