1. Catatonia: a review of a behavioral neurologic syndrome;Taylor;Neuropsychiatry Neuropsychol Behav Neurol,1990
2. Catatonia: a treatable disorder, occasionally recognized;Fink;Direct Psychiatry,1993
3. Recognition and treatment of the catatonic syndrome;Fricchione;J Intensive Care Med,1997
4. Catatonia;Kahlbaum,1973
5. Dementia praecox and paraphrenia;Kraepelin,1971