Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) J. P. Simonds,CONGENITAL MALFORMATIONS OF THE AORTIC AND PULMONARY VALVES,The American Journal of the Medical Sciences,0002-9629,Elsevier BV,1923-10,166,4,584-595,https://cir.nii.ac.jp/crid/1363107368552802816,https://doi.org/10.1097/00000441-192310000-00013