[Epidemiologic studies on the clinical importance of chronic obstructive pulmonary emphysema].
D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D011656:Pulmonary Emphysema / Q000175:diagnosis / Q000453:epidemiology*
Epidemiologische Untersuchungen zur klinischen Bedeutung des chronisch obstruktiven Lungenemphysems.