Serum concentrations of secondary amine tricyclic antidepressants may be lower than those measured from plasma.
D000929:Antidepressive Agents, Tricyclic / Q000097:blood*; D001800:Blood Specimen Collection / Q000379:methods*; D006801:Humans; D010949:Plasma / Q000032:analysis
D000929:Antidepressive Agents, Tricyclic