Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ,Multiple Choice Questions to Enrich the Understanding of Future Problems Complicating This Issue.,Nihon Naika Gakkai Zasshi,00215384,The Japanese Society of Internal Medicine,2013,102,1,131-139,https://cir.nii.ac.jp/crid/1390282681422624000,https://doi.org/10.2169/naika.102.131