Baj, T. (2010) “Chemical composition and antioxidant activity of the essentials oil of hyssop (Hyssopus officinalis L. ssp. officinalis)”, Current Issues in Pharmacy and Medical Sciences, 23(3), pp. 55–62. Available at: https://czasopisma.umlub.pl/curipms/article/view/2902 (Accessed: 18 June 2025).