Name Info Provider Link
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0006-8993(12)01140-7
Pneumococcal Infections free resource MedlinePlus Health Information https://medlineplus.gov/pneumococcalinfections.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S0006-8993(12)01140-7