Obrecht, U [Diribiotine aerosols administered to patients with chronic bronchial obstruction. Double-blind study]. [electronic resource] - Revue medicale de la Suisse romande May 1975 - 345-59 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0035-3655 Subjects--Topical Terms: Adjuvants, Immunologic--administration & dosageAmino Acids--administration & dosageBacterial Proteins--administration & dosageChronic DiseaseClinical Trials as TopicHumansImmunity, CellularLung Diseases, Obstructive--drug therapyOligopeptides--administration & dosageProtein Hydrolysates--administration & dosage