Study on the relationship between microbial composition within obstructive biliary stents and the severity of obstruction and duration of stent placement - Ichiro Sugawara; Yosuke Kawahara; Lena Takayasu; Kimio Isshi; Masayuki Kato; Shingo Ono; Yuko Hara; Toshiki Futakuchi; Hiroto Furuhashi; Rina Kurokawa; Kazuki Sumiyama; Wataru Suda (PLoS ONE, 2025)