Neuroendoscopic Aspiration of Blood Clots in the Cerebral Aqueduct and Third Ventricle During Posterior Fossa Surgery in the Prone Position. Issue 2 (1st August 2019) - Feletti, Alberto; Stanzani, Riccardo; Alicandri-Ciufelli, Matteo; Giliberto, Giuliano; Martinoni, Matteo; Pavesi, Giacomo