Keywords: تاریخ نوشیدن; AD; alcohol dependent; ALD; alcoholic liver disease; ALT; alanine aminotransferases; AST; aspartate aminotransferases; CDT; carbohydrate-deficient transferrin; CRP; C-reactive protein; Gr. 1; group 1 with normal serum zinc level; Gr. 2; group 2 with low z