https://pmc.ncbi.nlm.nih.gov/articles/PMC4209752/
Freeze-Drying of Plant Tissue Containing HBV Surface Antigen for the Oral Vaccine against Hepatitis...
The aim of this study was to develop a freeze-drying protocol facilitating successful processing of plant material containing the small surface antigen of...
freeze dryingplanttissuesurfaceantigen
https://www.ofd.com/
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