Comparison of sagittal and vertical changes of the maxillary first molars induced by the palatally applied Pendulum distalizing appliance and palatally_buccally applied 2k-loop appliance. (2022). Latakia University Journal -Medical Sciences Series, 44(5), 345-360. https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/13073