Internal medicine
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    Comparative StudyOpen-label compassionate use one year-treatment with pirfenidone to patients with chronic pulmonary fibrosis.We attempted to evaluate the feasibility (therapeutic efficacy, tolerance, and clinical courses after treatment) of pirfenidone, an anti-fibrotic drug for patients with chronic pulmonary fibroses such as idiopathic pulmonary fibrosis (IPF). ⋯ The feasibility of Pirfenidone as a therapeutic drug was confirmed for patients with advanced pulmonary fibrosis. 
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    Editorial CommentHeadache and spontaneous vertebral artery dissection.