(Q70499153)
Statements
Chronisch obstruktive Lungenerkrankungen: Klinische Erscheinungsformen und ihre Korrelation zur gest�rten Atmungsfunktion (German)
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Chronic obstructive lung disease: correlation between clinical features and respiratory abnormalities (English)
U. Hüttemann
1 October 1972
15 October 1972
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