Name Info Provider Link
free resource BioMed Central https://bmchealthservres.biomedcentral.com/articles/10.1186/s12913-018-3834-y
Prenatal Care free resource MedlinePlus Health Information https://medlineplus.gov/prenatalcare.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30594198/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/30594198
Full text from free resource Enlighten: Publications, University of Glasgow https://eprints.gla.ac.uk/176123