Ishikawa S, Miyagawa I, Kusanaga M, Abe T, Shiraishi A, Fujishima S, Ogura H, Saitoh D, Kushimoto S, Shiino Y, Hifumi T, Otomo Y, Okamoto K, Kotani J, Sakamoto Y, Sasaki J, Shiraishi SI, Takuma K, Hagiwara A, Yamakawa K, Takeyama N, Gando S, Mayumi T. Association of frailty on treatment outcomes among patients with suspected infection treated at emergency departments. Eur J Emerg Med. 2021 Aug 1;28(4):285-291. doi: 10.1097/MEJ.0000000000000788. PMID: 34187992.