title: High-performance liquid chromatographic determination of total and free tryptophan in serum from control subjects and liver patients.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D006801:Humans; D008103:Liver Cirrhosis / Q000097:blood*; D014364:Tryptophan / Q000097:blood*
chemical_list: D014364:Tryptophan