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Risk factors common to psoriasis and lung diseases. Abbreviations: CTD, connective tissue disorder; COPD, chronic obstructive pulmonary disease; IPF, idiopathic pulmonary fibrosis; PAH, pulmonary atrial hypertension; and OSA, obstructive sleep apnea [43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62].
