Liu Xue, L., Y. Liu Rui, and Y. Wang Mei. “Correlation of Publication Frequency With Impact Factors in 1058 Medical Journals in SCI-Expanded Database”. Malaysian Journal of Library and Information Science, vol. 17, no. 3, Dec. 2012, pp. 7-16, https://mjlis.um.edu.my/index.php/MJLIS/article/view/6638.