Muhammad Insani Ilman, Yudi Her Oktaviono, Mohammad Budiarto, Suryo Ardi Hutomo and Ryan Enast Intan 2024. Conquering the obstacles during the intervention of a proximal chronic total occlusion of right coronary artery with a concurrent significant ostial stenosis: a case report. Journal of the Pakistan Medical Association. 74, 6 (Supple) (Jul. 2024), S92-S95. DOI:https://doi.org/10.47391/JPMA.S6-ACSA-19.