A Bootstrap Self-training Method for Sequence Transfer: State-of-the-Art Placenta Segmentation in fetal MRI. - Bella Specktor-Fadida; Daphna Link-Sourani; Shai Ferster-Kveller; Liat Ben-Sira; Elka Miller; Dafna Ben-Bashat; Leo Joskowicz (UNSURE/PIPPI@MICCAI, 2021)