Name Info Provider Link
free resource HighWire https://bmjopen.bmj.com/lookup/pmidlookup?view=long&pmid=30368449
Emergency Medical Services free resource MedlinePlus Health Information https://medlineplus.gov/emergencymedicalservices.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30368449/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/30368449