Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0749-3797(21)00571-7
Tetanus, Diphtheria, and Pertussis Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/tetanusdiphtheriaandpertussisvaccines.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35125272/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/35125272