1. Relationship between plasma level and therapeutic effect of nortriptyline;Åsberg;Br. Med. J.,1971
2. Once-a-day dosage tricyclic antidepressant drug therapy: A survey;Ayd;Dis. Nerv. Syst.,1974
3. Tricyclic Antidepressants;Hollister;New Engl. J. Med.,1978
4. Tricyclic Antidepressants;Hollister;New Engl. J. Med.,1978
5. Plasma levels of tricyclic antidepressants and clinical efficacy: Review of the literature;Risch;J. clin. Psychiat.,1979