A Survey on Chronic Obstructive Pulmonary Disease in Elderly Patients of North University of China
Tong Caihua
An Haiqin
Zhang Hongyan
Zhao Niuxin
Wu Huilu
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Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 16-18 )