(Q47679662)
Statements
Symptom-based questionnaire for identifying COPD in smokers (English)
David G Tinkelman
Robert J Nordyke
Sharon Isonaka
Dmitry Nonikov
Elizabeth F Juniper
Daryl Freeman
Thomas Hausen
Mark L Levy
Anders Ostrem
Thys van der Molen
Constant P van Schayck
1 reference
1 reference
1 reference
1 reference