title: [Sources of error of practical significance in the determination of urinary 5-HIAA].
mesh_terms: D000368:Aged; D005189:False Positive Reactions; D005260:Female; D006140:Guaifenesin / Q000009:adverse effects*; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine*; D008297:Male; D008875:Middle Aged
chemical_list: D006140:Guaifenesin; D006897:Hydroxyindoleacetic Acid
vernacular_title: Felkällor av praktisk betydelse vid bestämning as 5-HIAA i urin.