There are at least a few studies if you type in "val66met...
User Throwaway09343, in the Therapeutic Ketamine subreddit,
There are at least a few studies if you type in "val66met ketamine." I remember writing a paper on ketamine's antidepressant…
The antidepressant efficacy of subanesthetic-dose ketamine does not correlate with baseline subcortical volumes in a replication sample with major depressive disorder
Overview of attention for article published in Journal of Psychopharmacology, October 2017