Regional disparity in surgical residency training and work environment between urban and regional hospitals: an additional perspective from a nationwide survey of surgical residents. - Watanabe G; Watanabe J; Hayashi S; Konishi T; Poudel S; Kiyasu Y; Fukumoto M; Korai T; Nomura S; Yamamoto N; Nakajima M; Hosoya K; et al. (Surgery today, 2025)