Comparative evaluation of generative artificial intelligence models for synthetic knee radiograph augmentation in clinical research. - Kwangho Chung; Ji-Hoon Nam; Arailym Dosset; Yong-Gon Koh; Jae Min Kim; Paul Shinil Kim; Jin Woo Lee; Kyoung-Mi Park; Hyuck Min Kwon; Kyoung-Tak Kang (BMC Medical Imaging, 2026)