Muhammad Shakil, Farooq F, Muhammad Junaid, Jamil Ur Rahman, Muhammad Idrees, Zada S. Frequency of Non-Obstructive Coronary Artery Disease in Patients with Non-ST-Segment Myocardial Infarction Taken for Early Invasive Angiography. IJBR. 2025;3(7):269-273. doi:10.70749/ijbr.v3i7.1904