Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Seo Hiroyuki and Fujii Hiromichi and Aoyama Takanobu and Sasako Yoshikado,A Case of Mitral Valve Replacement for Left Ventricular Outflow Tract Obstruction due to Abnormal Papillary Muscle,Japanese Journal of Cardiovascular Surgery,0285-1474,The Japanese Society for Cardiovascular Surgery,2015,44,2,92-96,https://cir.nii.ac.jp/crid/1390282679683815040,https://doi.org/10.4326/jjcvs.44.92