Dian Arfan As Bahri, Rose Dinda Martini, Roza Mulyana, and Fandi Triansyah, “Efficacy and Safety of Intensive Blood Pressure Lowering on Cardiovascular Outcomes and Orthostatic Hypotension in Frail vs. Non-Frail Elderly Patients: A Systematic Review and Meta-Analysis”, Bioscmed, vol. 10, no. 6, pp. 2057–2069, Apr. 2026, doi: 10.37275/bsm.v10i6.1598.