Regression discontinuity of blood culture contamination rate after changing of disinfectants: retrospective observational study. - Ota, Koshi; Nishioka, Daisuke; Ito, Yuri; Hamada, Emi; Mori, Naomi; Nishii, Tomonobu; Ota, Kanna; Shibata, Yuriko; Takasu, Akira (Scientific Reports, 2021)