Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kobayashi Junjiro,Discrepancy of Future Cardiovascular Surgery and Current Board Certification System in Japan,Japanese Journal of Cardiovascular Surgery,0285-1474,The Japanese Society for Cardiovascular Surgery,2016,45,4,m4-m4_2,https://cir.nii.ac.jp/crid/1390282679686212224,https://doi.org/10.4326/jjcvs.45.m4