Fig. 2From: Ultrasound enhances the therapeutic potential of mesenchymal stem cells wrapped in greater omentum for aristolochic acid nephropathySchematic diagram depicting the treatment course of ultrasound-guided injection into the greater omentum for AAN. Ultrasound-guided MSC treatment combined with greater omentum. The oval dotted line represents the kidney region. The yellow arrow represents the needle positionBack to article page