The Bronchitis Randomized On NAC Cost-Utility Study (BRONCUS): hypothesis and design
M. Decramer, P.N.R. Dekhuijzen, T. Troosters, C. van Herwaarden, M. Rutten-van Mölken, C.P.O. van Schayck, D. Olivieri, I. Lankhorst, A. Ardia
European Respiratory Journal 2001 17: 329-336; DOI: 10.1183/09031936.01.17303290