Smartphone-assisted minimally invasive neurosurgery - Mandel, Mauricio; Petito, Carlo Emanuel; Tutihashi, Rafael; Paiva, Wellingson; Mandel, Suzana Abramovicz; Pinto, Fernando Campos Gomes; Andrade, Almir Ferreira de; Teixeira, Manoel Jacobsen; Figueiredo, Eberval Gadelha (Journal of neurosurgery, 2019)