Floderus , Ylva, Jan Sääf, Svante B. Ross, and Lennart Wetterberg. “Catechol-O-Methyltransferase Activity in Human Erythrocytes: Methodological Aspects”. Upsala Journal of Medical Sciences 86, no. 3 (September 1, 1981): 309-318. Accessed April 3, 2026. https://ujms.net/index.php/ujms/article/view/7106.