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free resource Medknow Publications and Media Pvt Ltd https://journals.lww.com/eusjournal/10.4103/2303-9027.180476
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27080611.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27080611/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/27080611
free resource scite Smart Citations https://scite.ai/reports/27080611