1.
Phase 1 randomized trial of a plant-derived virus-like particle vaccine for COVID-19
by Ward, Brian J
Nature medicine, 2021-05-18, Vol.27 (6), p.1071-1078

2.
Protective mucosal immunity elicited by targeted iliac lymph node immunization with a subunit SIV envelope and core vaccine in macaques
by Lehner, Thomas
Nature medicine, 1996-07, Vol.2 (7), p.767-775
