The study has a sample size of 44, and it is reposted from the information of a company called Ovid Technologies, Inc.
https://ovidsp.dc2.ovid.com/ovid-a/ovidweb.cgi?T=JS&PAGE=fulltext&D=ovft&AN=00006377-200807000-00007&NEWS=N&CSC=Y&CHANNEL=PubMed
Here's the original source above this comment. The level of how badly the experiment was done is shocking.