Ikhmawati, Y., Z. Zubir, and E. R. Daulay. “Difference in Total Serum Immunoglobulin E Level Among Patients With and Without Intravenous Contrast Media Adverse Reaction on Computed Tomography Scan Examination”. Sumatera Medical Journal, vol. 2, no. 1, Jan. 2019, pp. 10 -14, doi:10.32734/sumej.v2i1.713.