Monti, José, Juan Riva, Fernando Nieto, and Héctor Piriz. “Ultrasound Evaluation of Movement of Each Hemidiaphragm in the Postoperative Period of Upper Abdomen Surgery: Effect of Previous Intercostal Block With Local Anesthetics”. Cirugía del Uruguay 71, no. 3-4 (April 20, 2001): 101–111. Accessed May 28, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/4417.