Name Info Provider Link
free resource Medknow Publications and Media Pvt Ltd http://www.joacp.org/article.asp?issn=0970-9185;year=2018;volume=34;issue=3;spage=399;epage=400;aulast=Parashar
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30386027.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30386027/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/30386027