Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29535886/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29535886
	free resource	Korean Academy of Periodontology	https://www.jpis.org/DOIx.php?id=10.5051/jpis.2018.48.1.3
	free resource	scite Smart Citations	https://scite.ai/reports/29535886