Poolsuk Vichaichoti. (1987) Nuclear metabolim of demethylnitrosamine and alteration during riboflavin deficiency. Mahidol University,:ม.ป.ท.Poolsuk Vichaichoti. 1987. Nuclear metabolim of demethylnitrosamine and alteration during riboflavin deficiency. ม.ป.ท.:Mahidol University,;Poolsuk Vichaichoti. Nuclear metabolim of demethylnitrosamine and alteration during riboflavin deficiency. ม.ป.ท.:Mahidol University, 1987. Print.