TY - JOUR AU - Krystal, J H; Karper, L P; Seibyl, J P TI - Subanesthetic effects of the noncompetitive NMDA antagonist, ketamine, in humans. Psychotomimetic, perceptual, cognitive, and neuroendocrine responses JO - Arch Gen Psychiatry VL - 51 PY - 1994 DO - 10.1001/archpsyc.1994.03950030035004 SP - 199 EP - 214 N1 - et al. ER -