Floderus Y., Sääf J., Ross S.B. and Wetterberg L. 1981. Catechol-O-Methyltransferase Activity in Human Erythrocytes: Methodological Aspects. Upsala Journal of Medical Sciences. 86, 3 (Sep. 1981), 309-318. DOI:https://doi.org/10.3109/03009738109179242.