An oral bacterial lysate for the prevention of recurrent infections of the respiratory tract. Results of a double-blind placebo controlled 6 months study in 342 patients
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2008 ◽
Vol 153
(6)
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pp. 764-770.e2
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1979 ◽
Vol 7
(4)
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pp. 302-304
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1999 ◽
Vol 4
(12)
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pp. 794-800
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2007 ◽
Vol 12
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pp. 24-24