?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Keech&rft.aufirst=CA&rft.au=Keech%2C+CA&rft.atitle=A+Phase+1+Randomized%2C+Placebo-controlled%2C+Observer-blinded+Trial+to+Evaluate+the+Safety+and+Immunogenicity+of+Inactivated+Streptococcus+pneumoniae+Whole-cell+Vaccine+in+Adults&rft.issue=4&rft.date=April+2020&rft.pages=345-351&rft.title=The+Pediatric+Infectious+Disease+Journal&rft.volume=39&rft.genre=article