title: "Temporal clustering" of COPD exacerbations may reflect corticosteroid withdrawal.
authors.forename: Martin
authors.initials: M
authors.lastname: MacDonald
authors.forename: Philip
authors.initials: P
authors.lastname: Bardin
mesh_terms: D000305:Adrenal Cortex Hormones / Q000008:administration & dosage*; D018450:Disease Progression; D004334:Drug Administration Schedule; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000503:physiopathology*; D012008:Recurrence; D013375:Substance Withdrawal Syndrome / Q000175:diagnosis*; D013997:Time Factors
chemical_list: D000305:Adrenal Cortex Hormones