Sentinel lymph node procedure is highly accurate in squamous cell carcinoma of the vulva. - de Hullu,J.A.; Hollema,H.; Piers,D.A.; Verheijen,R.HM.; Diest,P.J van.; Mourits,M.JE.; Aalders,J.G.; der Zee,A.GJ van. (J Clin Oncol, 2000)