Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tokura Takeshi and Oku Hisashi and Tsukamoto Yuuki,Pharmacological properties and clinical effects of the antifibrotic agent pirfenidone (Pirespa) for treatment of idiopathic pulmonary fibrosis,Folia Pharmacologica Japonica,00155691,The Japanese Pharmacological Society,2009,134,2,97-104,https://cir.nii.ac.jp/crid/1390001204274329088,https://doi.org/10.1254/fpj.134.97