Ketamine: a growing global health-care need.

T. T. Dong1, J. Mellin-Olsen2 and A. W. Gelb3,* 1 Department of Anesthesia and Perioperative Care, University of California San Francisco, 513 Parnassus Avenue, Room S436, San Francisco, CA 94143, USA, 2 Department of Anaesthesiology and Intensive CareMedicine, BaerumHospital, PO Box 83, Oslo N-1309 RUD, Norway, and 3 Department of Anesthesia and Perioperative Care, University of California, San Francisco, 521 Parnassus Avenue, San Francisco, CA 94143, USA