Serotype 3 Experimental Human Pneumococcal Challenge (EHPC) study protocol: dose ranging and reproducibility in a healthy volunteer population (challenge 3) oleh Maia Lesosky, Konstantinos Liatsikos, Stephen B Gordon, Kelly Davies, Phoebe Hazenberg, Angela Hyder-Wright, Ryan E Robinson, Britta Urban, Elena Mitsi, Carla Solorzano, Daniela M Ferreira, Madlen Farrar, Ashleigh Howard, Andrea M Collins, Jaye Brunning, Hannah Fleet, Amy Bettam, Tinashe Kenny-Nyazika, Dima El Safadi