Objective evaluation of patients with palmar hyperhidrosis submitted to two levels of sympathectomy: T3 and T4 - Ishy, Augusto; Campos, José Milanez de; Wolosker, Nelson; Tedde, Miguel Lia; Chiavoni, Camila Ribeiro; Jatene, Fabio Biscegli (Interactive cardiovascular and thoracic surgery, 2011)