Second primary cancers in patients with nasopharyngeal carcinoma: a pooled analysis of 13 cancer registries

Scelo G, Boffetta P, Corbex M, Chia KS, Hemminki K, Friis S, Pukkala E, Weiderpass E, McBride ML, Tracey E, Brewster DH, Pompe-Kirn V, Kliewer EV, Tonita JM, Martos C, Jonasson JG, Brennan P. Second primary cancers in patients with nasopharyngeal carcinoma: a pooled analysis of 13 cancer registries. Cancer Causes Control 2007; 18(3):269-278.