Clinical Utility of Pepsin and Bile Acid in Tracheal Secretions for Accurate Diagnosis of Aspiration in ICU Patients. - Bandorski D; Tello K; Erdal H; Sommerlad J; Wilhelm J; Vadasz I; Hecker M; Walmrath D; Seeger W; Krauss E; Kuhnert S (Journal of clinical medicine, 2023)