Polyethyleneimine is a potent mucosal adjuvant for viral glycoprotein antigens - Frank Wegmann; Kate H. Gartlan; Ali M. Harandi; Sarah Brinckmann; Margherita Coccia; William R. Hillson; Wai Ling Kok; Suzanne Cole; Ling‐Pei Ho; Teresa Lambe; Manoj Puthia; Catharina Svanborg; et al. (2012)