Philipus Putra Raharjo, Yunia Mansyur, and Batari Todja Umar, “Kearns–Sayre Syndrome with Bilateral Ptosis and External Ophthalmoplegia: A Rare Case Report: Poster Presentation - Case Report - Resident”, OI, vol. 49, no. S2, Apr. 2024, doi: 10.35749/dyz23y26.