title: In reference to Impact of Second Primary Tumors on Survival in Head and Neck Cancer: An Analysis of 2,063 Cases.
authors: Amrita Institute of Medical Sciences, Cochin, Kerala, India.
authors: Azhar Jan
authors: AJ
authors: Battoo
authors: Rajeev
authors: R
authors: Sharan
authors: Sheikh Zahoor
authors: SZ
authors: Ahmad
authors: Sandip
authors: S
authors: Duarah
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000401:mortality*; D005260:Female; D006258:Head and Neck Neoplasms / Q000401:mortality*; D006801:Humans; D008297:Male; D016609:Neoplasms, Second Primary / Q000401:mortality*