1. Large-scale international validation of the ADO index in subjects with COPD: an individual subject data analysis of 10 cohorts. Issue 6 (12th December 2012) Authors: Puhan, Milo A; Hansel, Nadia N; Sobradillo, Patricia; Enright, Paul; Lange, Peter; Hickson, DeMarc; Menezes, Ana M; Riet, Gerben ter; Held, Ulrike; Domingo-Salvany, Antonia; Mosenifar, Zab; Antó, Josep M; Moons, Karel G M; Kessels, Alphons; Garcia-Aymerich, Judith Other Names: Frey Martin author non-byline.; Barmelweid Klinik author non-byline.; Held Ulrike author non-byline.; Centre Horten author non-byline.; Puhan Milo A. author non-byline.; Pascual Milagros Iriberri author non-byline.; Sobradillo Patricia author non-byline.; Caubet-Cimera Fundación author non-byline... Journal: BMJ open Issue: Volume 2:Issue 6(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗