Daisuke Yamasaki, Masaki Tanabe, Yuichi Muraki, Genta Kato, Norio Ohmagari, Tetsuya Yagi. The first report of Japanese antimicrobial use measured by national database based on health insurance claims data (2011-2013): comparison with sales data, and trend analysis stratified by antimicrobial category and age group. Infection. 2018. 46. 2. 207-214