Hiroshi Imamura, Ryota Ito, Hirofumi Ichida, Ryuji Yoshioka, Yoshihiro Mise, Shuko Nojiri, Katsuhiro Sano, Atsuyuki Yamataka, Akio Saiura. "Age-range–matched external validation of standard liver volume equations: Methodological re-evaluation of 13 regression models." PLoS ONE, 2026. doi:10.1371/journal.pone.0351983