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New and safe "oral" live vaccines based on lactobacillus.
Claassen E, Van Winsen R, Posno M, Boersma WJ. Claassen E, et al. Among authors: van winsen r. Adv Exp Med Biol. 1995;371B:1553-8. Adv Exp Med Biol. 1995. PMID: 7502855 Review. No abstract available.