1. Achté K (1967) On prognosis and rehabilitation in schizophrenia and paranoid psychosis. A comparative follow-up study of two series of patients first admitted to hospital in 1950 and 1960 respectively. Acta Psychiatr Scand [Suppl] 196
2. Achté K, Stenbäck A, Teravainen H (1966) On suicides committed during treatment in psychiatric hospitals. Acta Psychiatr Scand 42: 272–284
3. Achté K, Lönnqvist J, Piirtola O, Niskanen P (1980) Course and prognosis of schizophrenic psychoses in Helsinki. Psychiatr J Univ Ottawa 4: 344–348
4. Achté K, Lönnqvist J, Kuusi K, Piirtola O. Niskanen P (1986) Outcome studies on schizophrenic psychoses in Helsinki. Psychopathology 19: 60–67
5. Akiskal HS, Chen SE, Davis GC, Puzantian VR, Kashgarian M, Bollinger JM (1972) Borderline: an adjective in search of a noun. J Clin Psychiatry 46: 41–48