Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matsui Toshihiro,1. Infectious Disease and Opportunistic Infection,Nihon Naika Gakkai Zasshi,00215384,The Japanese Society of Internal Medicine,2009,98,10,2453-2459,https://cir.nii.ac.jp/crid/1390282681420097024,https://doi.org/10.2169/naika.98.2453