Comparative Effectiveness of Umeclidinium/Vilanterol versus Indacaterol/Glycopyrronium on Moderate-to-Severe Exacerbations in Patients with Chronic Obstructive Pulmonary Disease in... by Requena G, Czira A, Banks V, Wood R, Tritton T, Castillo C, Yeap J, Wild R, Compton C, Rothnie KJ, Herth FJ, Quint JK, Ismaila AS

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Control of confounding and reporting of results in causal inference studies: guidance for authors from editors of respiratory, sleep, and critical care journals by Lederer, DJ, Bell, SC, Branson, RD, Chalmers, JD, Marshall, R, Maslove, DM, Ost, DE, Punjabi, NM, Schatz, M, Smyth, AR, Stewart, PW, Suissa, S, Adjei, AA, Akdis, CA, Azoulay, E, Bakker, J, Ballas, ZK, Bardin, PG, Barreiro, E, Bellomo, R, Bernstein, JA, Brusasco, V, Buchman, TG, Chokroverty, S, Collop, NA, Crapo, JD, Fitzgerald, DA, Hale, L, Hart, N, Herth, FJ, Iwashyna, TJ, Jenkins, G, Kolb, M, Marks, GB, Mazzone, P, Moorman, JR, Murphy, TM, Noah, TL, Reynolds, P, Riemann, D, Russell, RE, Sheikh, A, Sotgiu, G, Swenson, ER, Szczesniak, R, Szymusiak, R, Teboul, J-L, Vincent, J-L