Palma, Eduardo, Ricardo J Rodríguez Martínez, Alfredo Pérez Lagrave, and Liliana Palma. 1976. “Continuous Perioperative Supraoccipital Cisternal Drainage”. Cirugía Del Uruguay 46 (1):46-49. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2719.