Endoscopic Endonasal Transsphenoidal Surgery in Recurrent and Residual Pituitary Adenomas: Technical Note - Cappabianca, P; Alfieri, A; Colao, A; Cavallo, L M; Fusco, M; Peca, C; Lombardi, G; de Divitiis, E (min - Minimally Invasive Neurosurgery, 2000)