Comparative Immunogenicity of Bacterially Expressed Soluble Trimers and Nanoparticle Displayed Influenza Hemagglutinin Stem Immunogens oleh Uddipan Kar, Sara Khaleeq, Priyanka Garg, Madhuraj Bhat, Poorvi Reddy, Venkada Subramanian Vignesh, Aditya Upadhyaya, Mili Das, Ghadiyaram Chakshusmathi, Suman Pandey, Somnath Dutta, Raghavan Varadarajan