By Keenan Joseph A.   in Applied Spectroscopy

ISSN:0003-7028|29|1|63-67

Society for Applied Spectroscopy‎(1975)‎

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By Yawn Barbara   Keenan Joseph   in COPD: Journal of Chronic Obstructive Pulmonary Disease

ISSN:1541-2555|4|1|67-83

Informa Healthcare‎(2007)‎

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