Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) PARK SH,Increased endothelin-1 in bleomycin-induced pulmonary fibrosis and the effect of an endothelin receptor antagonist,Am J Respir Crit Care Med,,,1997,156,,600-608,https://cir.nii.ac.jp/crid/1570854175265538176,