Sumarlie, H.; Hamid, F.; Santoso, A.; As’ad, S.; Bukhari, A.; Zainuddin, A. A. 8- Hydroxy -Deoxyguanosine (8-OHdG) Urine As a Biomarker of Oxidative Damage in Early Elderly Hypertension. Int. J. of Health Sci. 2022, 6, 2996-3004.