TY - RPRT TI - Sputum induction leads to a decrease of exhaled nitric oxide unrelated to airflow. AU - J Beier AU - K M Beeh AU - O Kornmann AU - R Buhl PY - 2003 DO - 10.1183/09031936.03.00118602 UR - https://pubmed.ncbi.nlm.nih.gov/12952273/ ID - 12952273 ER -