Name Info Provider Link
free resource Medknow Publications and Media Pvt Ltd http://www.amhsr.org/article.asp?issn=2141-9248;year=2015;volume=5;issue=5;spage=365;epage=367;aulast=Umeh
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/26500795/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/26500795
free resource scite Smart Citations https://scite.ai/reports/26500795