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Calverley, Peter MA, Martinez, Fernando J, Vestbo, Jorgen, Jenkins, Christine R, Wise, Robert, Lipson, David A, Cowans, Nicholas J, Yates, Julie, Crim, Courtney and Celli, Bartolome R
(2022)
International Differences in the Frequency of Chronic Obstructive Pulmonary Disease Exacerbations Reported in Three Clinical Trials.
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, 206 (1).
pp. 25-33.