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xylanisolvens in vitro cultivation compared with control (BHI medium with nicotine supplementation, n = 5/group)

Early signs include a persistent smoker's cough, often with phlegm

The virus titer was 4.2E+12 v.g./ml

Slight differences showed in terms of number of individuals (the non-participating centers were smaller and serviced fewer patients) as well as geographical location (non-participating centers are located in small urban and rural areas)

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