Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUTANI Kiichiro and IGARASHI Ataru and MORIKAWA Kaoru,What is ATC/DDD ?,Japanese Journal of Pharmacoepidemiology/Yakuzai ekigaku,1342-0445,Japanese Society for Pharmacoepidemiology,2004,9,2,53-58,https://cir.nii.ac.jp/crid/1390282679459290624,https://doi.org/10.3820/jjpe1996.9.53