Name	Info	Provider	Link
Allergy	free resource	MedlinePlus Health Information	https://medlineplus.gov/allergy.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34343413/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34343413
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1002/iid3.487