Echinacea Reduces Antibiotics by Preventing Respiratory Infections: A Meta-Analysis (ERA-PRIMA) by Giuseppe Gancitano, Nicola Mucci, Rainer Stange, Mercedes Ogal, Selvarani Vimalanathan, Mahfuza Sreya, Anthony Booker, Bushra Hadj-Cherif, Werner C. Albrich, Karin Woelkart-Ardjomand, Samo Kreft, Wim Vanden Berghe, Godehard Hoexter, Andreas Schapowal, Sebastian L. Johnston

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