Name Info Provider Link
free resource Medknow Publications and Media Pvt Ltd http://www.amsjournal.com/article.asp?issn=2231-0746;year=2019;volume=9;issue=1;spage=197;epage=200;aulast=De
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31293953.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31293953/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/31293953