Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=0830-9000&volume=80&issue=4&spage=262&aulast=Rojas-Anaya
Warts free resource MedlinePlus Health Information https://medlineplus.gov/warts.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27733780/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/27733780