Development, validity and responsiveness of the Clinical COPD Questionnaire
Thys van der Molen, Brigitte WM Willemse, Siebrig Schokker, Nick HT ten Hacken, Dirkje S Postma, Elizabeth F JuniperVolume:
1
Language:
english
DOI:
10.1186/1477-7525-1-13
Date:
December, 2003
File:
PDF, 831 KB
english, 2003