Hyltoft Petersen , Per, and Ole Blaabjerg. “Reference Intervals for Plasma Proteins: Principles for Estimation of Reference Intervals”. Upsala Journal of Medical Sciences 99, no. 3 (July 19, 1994): 307-314. Accessed March 25, 2026. https://ujms.net/index.php/ujms/article/view/6701.