History A list of downloadable documents created during development. Other information IPG448 Insertion of endobronchial valves for treatment of persistent air leaks: EIA form PDF 48 KB 27 March 2013 IP/1025 Insertion of endobronchial valves for treatment of persistent air leaks: consultation comments table PDF 100 KB 27 March 2013 Overview PDF 246 KB 16 November 2012 Consultation document information