Plasma homovanillic acid: A significant association with alcoholism is independent of a functional polymorphism ofthe human catechol-o-methyltransferase gene

Michael D. Köhnke^*, Gerlinde Wiatr, Werner Kolb, Annette M. Köhnke, Sandra Schick, Ulrich Lutz, Reinhard Vonthein, Ines Gaertner

^*Corresponding author for this work