Waern A.U., Lidell C. and Hellsing K. 1982. Alcohol Intake, Serum β2-microglobulin and Ventricular Extrasystoles: Factors related to death in five-year follow up of middle-aged men. Upsala Journal of Medical Sciences. 87, 2 (Jun. 1982), 119-125. DOI:https://doi.org/10.3109/03009738209178416.