E. Krzych-Fałta and B. Samoliński, “Over-the-counter (OTC) medicines – an alternative in the fight against pain in the opinion of medical uni versity students”, Curr. Issues Pharm. Med. Sci., vol. 26, no. 3, pp. 279–281, Sep. 2013, doi: 10.12923/j.2084-980X/26.3/a.08.