Radiofrequency thermal ablation versus conventional saphenectomy. - Freitas Toregeani, Jeferson; Trigo Rocha, Antônio Severino; Jundi Kimura, Claudio; Gomes Araújo, Ricardo Adriano; Kazuo Kawai, Américo; Sokol Rotta, Larissa; Midori Fusioka, Andressa (Jornal Vascular Brasileiro, 2015)