[COPD management: what is essential?].
Macé M
MM
Schuurmans
D003131:Combined Modality Therapy; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology / Q000401:mortality / Q000628:therapy*; D012307:Risk Factors; D015996:Survival Rate; D013557:Switzerland