Health status in routine clinical practice: validity of the clinical COPD questionnaire at the individual patient level

por Kocks, Janwillem WH, Kerstjens, Huib AM, Snijders, Sandra L, de Vos, Barbara, Biermann, Jacqueline J, van Hengel, Peter, Strijbos, Jaap H, Bosveld, Henk EP, van der Molen, Thys
Publicado 2010