no image available Dickens & Co. "Depth Perception: Unraveling the Efficacy of 21-gauge and 22-gauge Needles for Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration" "Which Needle Gauge Reaches the Right Balance for Accurate Mediastinal and Hilar Lymph Node Biopsy?" Price: 29.00€