TY - GEN AU - MacNee,W AU - Wedzicha,W TI - Cause of death in COPD: still an open question? SN - 1122-0643 PY - 1997///0612 KW - Cause of Death KW - Europe KW - epidemiology KW - Humans KW - Lung Diseases, Obstructive KW - mortality N1 - Publication Type: Comment; Editorial ER -