G. K. Freeman

Subanesthetic effects of the noncompetitive NMDA antagonist, ketamine, in humans. Psychotomimetic, perceptual, cognitive, and neuroendocrine responses.

J. Krystal, J. Seibyl, D. Charney, 1994, Archives of general psychiatry.

Preliminary evidence of an association between sensorimotor gating and distractibility in psychosis.

C. A. Morgan, C. Grillon, J. Krystal, 1996, The Journal of neuropsychiatry and clinical neurosciences.