ENDOSCOPIC APPROACH ENDONASAL GUIDED BY NEURONAVIGATION IN PITUITARY TUMORS: NEW NEUROSURGICAL TECHNIQUE AT HOSPITAL ALCIVAR - GUAYAQUIL. Actas Médicas (Ecuador), [S. l.], v. 31, n. 1, p. 31–35, 2021. Disponível em: https://actasmedicas.ec/index.php/am/article/view/127.. Acesso em: 27 oct. 2025.