Li, Chunyu Ultrasound guided transverse fascial plane block (TFPB) via the superior lumbar triangle: Description of a new modified technique. [electronic resource] - Journal of clinical anesthesia Jun 2020 - 109735 p. digital Publication Type: Letter ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2020.109735 doi Subjects--Topical Terms: Abdominal Muscles--diagnostic imagingHumansNerve BlockUltrasonographyUltrasonography, Interventional