Fig. 1

Site of application of the ultrasound transductor. a LIPUS positioned at the flap zone 1 (group 3); b LIPUS positioned at the center of the flap (group 2)
Site of application of the ultrasound transductor. a LIPUS positioned at the flap zone 1 (group 3); b LIPUS positioned at the center of the flap (group 2)