[1]
Jong, M.C. et al. 2016. Effectiveness, safety and tolerability of a complex homeopathic medicinal product in the prevention of recurrent acute upper respiratory tract infections in children: a multicenter, open, comparative, randomized, controlled clinical trial. Multidisciplinary Respiratory Medicine. 11, 1 (May 2016). DOI:https://doi.org/10.4081/mrm.2016.313.