title: Freeze-drying of live oral streptomycin-dependent mutant Shigella vaccines: survival of streptomycin-dependent Shigella flexneri 2a after freeze-drying.
mesh_terms: D001428:Bacterial Vaccines; D005612:Freeze Drying; D005615:Freezing; D005971:Glutamates / Q000494:pharmacology; D009154:Mutation; D012760:Shigella; D012763:Shigella flexneri / Q000187:drug effects; D013307:Streptomycin / Q000494:pharmacology
chemical_list: D001428:Bacterial Vaccines; D005971:Glutamates; D013307:Streptomycin