Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) D. Bakker and C. A. van Blitterswijk and S. C. Hesseling and H. K. Koerten and W. Kuijpers and J. J. Grote,"Biocompatibility of a polyether urethane, polypropylene oxide, and a polyether polyester copolymer. A qualitative and quantitative study of three alloplastic tympanic membrane materials in the rat middle ear",Journal of Biomedical Materials Research,0021-9304,Wiley,1990-04,24,4,489-515,https://cir.nii.ac.jp/crid/1363388843614391808,https://doi.org/10.1002/jbm.820240407