【摘 要】
:
Objective To investigate the clinical characteristics of pulmonary hypertension(PH)in patients with chronic obstructive pulmonary disease(COPD)and study the rel
【机 构】
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Dept Respir Dis,1st Affil Hosp,Henan Univ Sci Technol,
【出 处】
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China Medical Abstracts(Internal Medicine)