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==Literatur==
==Literatur==
* M. de Vrese u.a. (2005): Effect of Lactobacillus gasseri PA 16/8, Bifidobacterium longum SP 07/3, B. bifidum MF 20/5 on common cold episodes: a double blind, randomized, controlled trial, in: Clinical Nutrition, Nr. 24, S. 481-491.
* M. de Vrese u.a. (2005): Effect of Lactobacillus gasseri PA 16/8, Bifidobacterium longum SP 07/3, B. bifidum MF 20/5 on common cold episodes: a double blind, randomized, controlled trial, in: Clinical Nutrition, Nr. 24, S. 481-491.
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* Catanzaro, J.A.; L. Green (1997): Microbial ecology and probiotics in human medicine (part II). Alt. Med. Rev. 2: S. 296-305.
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* Catanzaro, J.A.; L. Green (1997): Microbial ecology and probiotics in human medicine (part II). Alt. Med. Rev. 2: S. 296-305.
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* Probiotics or con? The Lancet, Volume 371, Issue 9613, Seite 624, 23.2.2008. doi:10.1016/S0140-6736(08)60275-5
==Weblinks==
==Weblinks==