Name	Info	Provider	Link
	free resource	BioMed Central	https://contraceptionmedicine.biomedcentral.com/articles/10.1186/s40834-018-0064-y
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30062044/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30062044
	free resource	scite Smart Citations	https://scite.ai/reports/30062044