Response to Dr Shemen's Letter re

1 Miccoli P Materazzi G Fregoli L . Modified lateral neck lymph-adenectomy: prospective randomized study comparing harmonic scalpel with clamp-and-tie technique. Otolaryngol Head Neck Surg 2009;140:61–4.

2 Shemen L. Thyroidectomy using the harmonic scalpel: analysis of 105 consecutive cases. Otolaryngol Head Neck Surg 2002;127:284–8.

3 Miccoli P Berti P Dionigi G . Randomized controlled trial of harmonic scalpel use during thyroidectomy. Arch Otolaryngol Head Neck Surg 2006;132:1069–73.

4 Miccoli P Materazzi G Miccoli M . Evaluation of a new ultrasonic device in thyroid surgery: comparative randomized study. Am J Surg 2009, in press.