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OBJECTIVES The aim is to assess the prevalence of comorbidities and to further analyse to which degree fatigue can be explained by comorbidity burden, disease activity, disability and gross domestic(More)
BACKGROUND Conflicting results on exhaled NO in pulmonary hypertension (PH) exist. Therefore, we analysed exhaled NO, as well as systemic and local nitrite, a possible alternative source of NO, in PH(More)