Name Info Provider Link
free resource BioMed Central https://virologyj.biomedcentral.com/articles/10.1186/1743-422X-7-251
Infections and Pregnancy free resource MedlinePlus Health Information https://medlineplus.gov/infectionsandpregnancy.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20860804/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/20860804