Kocaman, G. A Comparative Evaluation of the Effects on Postoperative Pain of Systemic and Topical Forms of Benzydamine Hydrochloride After Periodontal Flap Surgery: A Randomized Controlled Clinical Trial: Effects on Postoperative Pain of Systemic and Topical Forms of Benzidamine Hydrochloride. Med Sci Discov 2020, 7, 394-399.