Longer hours, limited returns? a post-hoc National survey analysis of overtime hours during surgical training in Japan. - Yamaoka-Fujikawa Y; Kiyasu Y; Poudel S; Kohmura T; Watanabe J; Koike D; Yamamoto N; Suda C; Tanikawa A; Saito M; Ikeda N; Taketomi A (Surgery today, 2026)