Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) STEER Arthur and NAKASHIMA Teruyuki and KAWASHIMA Taketsugu and LEE Kelvin K. and DANZIG Michael D. and ROBERTSON Thomas L. and DOCK Donald S.,Small Cardiac Lesions,Japanese Heart Journal,00214868,International Heart Journal Association,1977,18,6,812-822,https://cir.nii.ac.jp/crid/1390001205038131968,https://doi.org/10.1536/ihj.18.812