Mützell , S. 1987. A Study of Three Groups of Urban Men from the General Population with Different Alcohol Habits and Drug Use and Their Serum Levels of Liver-related Enzymes and Haematological Variables. Upsala Journal of Medical Sciences. 92, 3 (Sept. 1987), 315–327. DOI:https://doi.org/10.3109/03009738709178702.