Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/0264410X9500092F
Tetanus, Diphtheria, and Pertussis Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/tetanusdiphtheriaandpertussisvaccines.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:8578839