Original Research

The Development of a COPD Exacerbation Recognition Tool (CERT) to Help Patients Recognize When to Seek Medical Advice

Jones PW, Wang C, Chen P, Chen L, Wang D, Xia J, Yang Y, Wang Y, Ma Q

International Journal of Chronic Obstructive Pulmonary Disease 2022, 17:213-222

Published Date: 21 January 2022