Zinc supplementation: time for public health intervention.

3 lIson DH. New developments in the treatment of oesophageal cancer. Curr Oncol Rep 2002;4:213-21. 4 Entwistle JW 3rd, Goldberg M. Multimodality therapy for resectable cancer of the thoracic esophagus. Ann Thorae Surg 2002;73:1009-15. 5 Kelsen DP, Ginsberg R, Pajakj TF, Sheahan DG, Gunderson L, Mortimer J, et al. Chemotherapy followed by surgery compared with surgery alone for localized oesophageal cancer. N Engl] Med 1998;339: 1979-84. 6 Geh Jl, Crellin AM, Glyne-Jones R. Preoperati ve (neoadjuvant) chemoradiotherapy in oesophageal cancer. Br J Surg 2001 ;88:338-56. 7 Urba SG, Orringer MB, Turrisi A, Iannettoni M, Forastiere A, Strawderman M. Randomized trial of preoperative chemoradiation versus surgery alone in patients with locoregional oesophageal carcinorna.J CUn Oneol200 I; 19:305-13. 8 Schlag PM (German Surgical Oncology Group). Randomized trial of preoperative chemotherapy for squamous cell cancer of the oesophagus. Arch Surg 1992; 127: 1446-50. 9 Rao YG, Pal S, PandeGK, Sahni P, ChattopadhyayTK. Transhiatal esophagectomyfor benign and malignant conditions. Am] Surg 2002;184: 136-42. IO Orringer MB, Marshall B, Iannettoni MD. Transhiatal esophagectomy: Clinical experience and refinements. Am. Surg 1999:230:392-400. II AnconaE, Ruol A, Santi S, Merigliano S. Sileni VC, KoussisH, etal. Only pathologic complete response to neoadjuvantchemotherapy improves significantly the long term survival of patients with resectable oesophageal squamous cell carcinoma: Final report of a randomized, controlled trial of preoperative chemotherapy versus surgery alone. Caneer2001;91:2165-74.