Patient's Perception of Symptoms Related to Morning Activity in Chronic Obstructive Pulmonary Disease: The SYMBOL Study
Yeon Jae Kim, Byung Ki Lee, Chi Young Jung, Young June Jeon, Dae Sung Hyun, Kyung Chan Kim, Sung Ken Yu, Hye Sook Choi, Won Hyuk Shin, Kwan Ho Lee
Korean J Intern Med. 2012;27(4):426-435. Published online November 27, 2012
Background/AimsPatients with chronic obstructive pulmonary disease (COPD) experience more problematic respiratory symptoms and have more trouble performing daily activities in the morning. The aim of this study was to assess the perception of COPD symptoms related to morning a..
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