The aim of this study is to evaluate the efficacy and safety of Elixirium thymi compositum (Formulae Normales (FoNo) VIII.) compared to a placebo in children between 6 and 17 years old to treat their acute bronchitis. The main question it aims to answer is: Is Elixirium thymi compositum (FoNo VIII.) safe and effective in the treatment of acute bronchitis compared to placebo?
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