Yousof, S. M., A. El-Baz, D. Ibrahim, A. Osama, and Y. El-wazir. “Effect of Examination Stress on Brain Oscillations During Memory Tasks in Human Females During the Luteal Phase”. PSM Biological Research, vol. 4, no. 4, Oct. 2019, pp. 118-27, https://psmjournals.org/index.php/biolres/article/view/269.