Distortion correction protocol for 3T stereotactic magnetic resonance imaging: a clinical study - Tavares, Wagner Malago; Tustumi, Francisco; Leite, Claudia da Costa; Gamarra, Lionel Fernel; Amaro Junior, Edson; Texeira, Manoel Jacobsen; Franca, Sabrina Araujo de; Fonoff, Erich Talamoni (World neurosurgery, 2019)