Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpregnancychildbirth.biomedcentral.com/articles/10.1186/s12884-018-1817-y
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30153811/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30153811
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:30153811
	free resource	scite Smart Citations	https://scite.ai/reports/30153811