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Total CFUs of 95:5 l-leucine: M. bovis BCG spray dried vs. lyophilized after spray drying and vs. days on the shelf. (a) Spray dried vs. lyophilized M. bovis BCG stability at 4°C and 20% RH. (b) Spray dried vs. lyophilized M. bovis BCG stability at 25°C and 60% RH. (c) Viability at Day 1 of spray dried vs. lyophilized M. bovis BCG.
