Jarecka, Karolina. “Symptoms of Hormonal Changes in Polish Men and Women in the Second Half of Life. Andropause and Menopause – Similarities and Differences”. Health Psychology Report, vol. 9, no. 3, June 2021, pp. 252–263, https://czasopisma.bg.ug.edu.pl/index.php/HPR/article/view/5811.