RT Journal Article SR Electronic T1 Hot of the breath: Mortality as a primary end-point in IPF treatment trials: the best is the enemy of the good JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 938 OP 940 DO 10.1136/thoraxjnl-2012-202580 VO 67 IS 11 A1 Wells, Athol U A1 Behr, Juergen A1 Costabel, Ulrich A1 Cottin, Vincent A1 Poletti, Venerino A1 Richeldi, Luca A1 , YR 2012 UL http://thorax.bmj.com/content/67/11/938.abstract AB