1. Acoustic analysis: An objective measure of affective flattening;Andreasen;Arch. Gen. Psychiatry,1981
2. Voice analysis in depressed patients. Rate of change of fundamental frequency related to mental state;Askenfelt;KTH STL QPSR,1980
3. The results of an instrumental and auditory analysis of the speech of four patients with affective illness;Austin,1973
4. Disorders of language in childhood psychosis: Current concepts and approaches;Baltaxe,1981
5. CSF monoamine metabolites in depression and schizophrenia;Berger;Am. J. Psychist.,1980