1. The importance of proper respiration in the treatment of non-surgical disease of the larynx, trachea, and bronchial tubes with medicated spray, and some explanations and suggestions as to the achievement of beneficial results Author(s): Füllgraff, Otto, author Publication: [New York?] : [publisher not identified], [1887?] Subject(s): Tracheal Diseases -- drug therapyBronchial Diseases -- drug therapyAdministration, InhalationRespiratory Mechanics