Vouloumanou, Evridiki K Probiotics for the prevention of respiratory tract infections: a systematic review. [electronic resource] - International journal of antimicrobial agents Sep 2009 - 197.e1-10 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1872-7913 Standard No.: 10.1016/j.ijantimicag.2008.11.005 doi Subjects--Topical Terms: BifidobacteriumEnterococcus faecalisHumansLactobacillusProbiotics--therapeutic useRandomized Controlled Trials as TopicRespiratory Tract Infections--physiopathology