Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Morikawa Yoshinobu and Mizuno Yuji and Harada Eisaku and Kuboyama Osamu and Yoshimura Michihiro and Yasue Hirofumi,Nitrate Tolerance as a Possible Cause of Multidrug-Resistant Coronary Artery Spasm A Case Report and Its Implications,International Heart Journal,1349-2365,International Heart Journal Association,2010,51,3,211-213,https://cir.nii.ac.jp/crid/1390282680201143808,https://doi.org/10.1536/ihj.51.211