TY - JOUR T1 - The problem of performing adequately sized randomized trials to demonstrate small survival benefits JF - European Respiratory Journal JO - Eur Respir J SP - 819 LP - 820 DO - 10.1034/j.1399-3003.2000.15e01.x VL - 15 IS - 5 AU - M Paesmans AU - JP Sculier Y1 - 2000/05/01 UR - http://erj.ersjournals.com/content/15/5/819.abstract ER -