Evaluation of the drug-drug interactions management system for appropriate use of nirmatrelvir/ritonavir: a retrospective observational study oleh Takeshi Tomida, Takeshi Kimura, Kazuhiro Yamamoto, Atsushi Uda, Yuki Matsumoto, Naoki Tamura, Masashi Iida, Akiko Tanifuji, Kumiko Matsumoto, Naomi Mizuta, Kei Ebisawa, Goh Ohji, Tomohiro Omura, Kentaro Iwata, Ikuko Yano