Spine-GFlow: A hybrid learning framework for robust multi-tissue segmentation in lumbar MRI without manual annotation. - Xihe Kuang; Jason Pui Yin Cheung; Kwan-Yee K. Wong; Wai Yi Lam; Chak Hei Lam; Richard W. Choy; Christopher P. Cheng; Honghan Wu; Cao Yang; Kun Wang; Yang Li; Teng Zhang (Comput. Medical Imaging Graph., 2022)