Name Info Provider Link
COVID-19 (Coronavirus Disease 2019) free resource MedlinePlus Health Information https://medlineplus.gov/covid19coronavirusdisease2019.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35968063/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/35968063
free resource Pacini Editore https://doi.org/10.15167/2421-4248/jpmh2022.63.2.2210