Name Info Provider Link
free resource Medknow Publications and Media Pvt Ltd http://www.indianjpsychiatry.org/article.asp?issn=0019-5545;year=2019;volume=61;issue=5;spage=543;epage=544;aulast=Singh
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31579191.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31579191/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/31579191