Study Protocol for Preventing Early-Onset Pneumonia in Young Children Through Maternal Immunisation: A Multi-Centre Randomised Controlled Trial (PneuMatters) oleh Anne B. Chang, Anne B. Chang, Anne B. Chang, Maree Toombs, Maree Toombs, Mark D. Chatfield, Mark D. Chatfield, Remai Mitchell, Siew M. Fong, Michael J. Binks, Heidi Smith-Vaughan, Susan J. Pizzutto, Karin Lust, Karin Lust, Peter S. Morris, Julie M. Marchant, Julie M. Marchant, Stephanie T. Yerkovich, Stephanie T. Yerkovich, Hannah O'Farrell, Hannah O'Farrell, Paul J. Torzillo, Paul J. Torzillo, Carolyn Maclennan, David Simon, Holger W. Unger, Holger W. Unger, Hasthika Ellepola, Jens Odendahl, Helen S. Marshall, Geeta K. Swamy, Keith Grimwood, Keith Grimwood