Masaru Matsumoto, Yumi Sano, Kazuhiro Akiyama, Katsumi Urata, Natsuki Matsuzaka, Nao Tamai, Yuka Miura, Hiromi Sanada. "Development of an automated ultrasonographic detection method for fecal retention using a transgluteal cleft approach." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0338926