Delirium: Definition, differential diagnosis and treatment.
Delirium and Psychotic Symptoms - An Integrative Model: Scientific article by Bruce G Charlton and J Lee Kavanau published in Medical Hypotheses.
eMedicine - Delirium: Background, causes, differential diagnosis and treatment of this acute confusional state. Article by Kannayiram Alagiakrishnan, MD.
Remembering Delirium: Taken from the British Journal of Psychiatry.
The Cleveland Clinic Disease Management Project: This chapter deals with diagnosis, signs and symptoms, treatment and outcome of delirium.