1. Twin studies of affective illness;Allen;Arch. Gen. Psychiat.,1976
2. The course of affective disorders;Angst;Arch. Psychiat. Nervenkr.,1978
3. Clinical typology of bipolar illness;Angst,1980
4. Differences in clinical characteristics between unipolar and bipolar depression;Ayuso-Gutiérrez;IRCS Med. Sci.,1978
5. MHPG excretion in depressive patients and normal controls;Beckmann;2nd World Congress of Biological Psychiatry,1978