Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=1532-0820&volume=72&issue=4&spage=248&aulast=Marion
Anesthesia free resource MedlinePlus Health Information https://medlineplus.gov/anesthesia.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35772936/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/35772936