PRABHU, M. A. A.; MOHANTY, A. Accuracy of clinical methods and doppler ultrasound in detection of incompetency of sapheno-femoral junction and perforators compared with operative results. International Surgery Journal, [S. l.], v. 4, n. 10, p. 3300–3305, 2017. DOI: 10.18203/2349-2902.isj20174165. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/1987. Acesso em: 9 nov. 2025.