1.5.1.42 Riboflavin Deficiency http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=892193&form=6&db=m Effect of riboflavin deficiency on activity of NADH-FMN oxidoreductase (ferriductase) and iron content of rat liver. ongoing research,unassigned 4,0