The Automatic Patient Symptom Monitor (APSM)
Reference J23
Marshall BJ, Hoffman SR, Babadzhov V, Babadzhov M, McCallum R. The automatic patient symptom monitor (APSM): a voice mail system for clinical research. Proceedings of the Seventeenth Annual Symposium on Computer Applications in Medical Care, American Medical Informatics Association, 1993; p.32-36.