1.

2.
Morphological characterization of a plant-made virus-like particle vaccine bearing influenza virus hemagglutinins by electron microscopy
by Lindsay, Brianne J
Vaccine, 2018, Vol.36 (16), p.2147-2154

3.

4.
Phase 1 randomized trial of a plant-derived virus-like particle vaccine for COVID-19
by Ward, Brian J
Nature medicine, 2021, Vol.27 (6), p.1071-1078
