Building an associative memory vastly larger than the brain.

Prevalence of herpesvirus-like sequence in Kaposi's sarcoma (KS) tissue and blood of KS patients. Studies were conducted as described in text (2). Some of the tumor tissues and corresponding controls were provided by the University of California AIDS Specimen Bank under the direction of Dr. John Greenspan. Peripheral blood mononuclear cells from normal subjects came from healthy volunteers in the laboratory or were provided by Irwin Memorial Blood Centers, San Francisco, California.