Sarwar, R, Q Mansoor, A A Farooqi, S Shahzad, S Fayyaz, and M Ismail. 2015. “Genetic Variants in the Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand (TRAIL) Do Not Contribute But Death Receptor (DR4) Genes May Contribute to Susceptibility to Head and Neck Cancer in Pakistani Population”. Cellular and Molecular Biology 61 (8):53-56. https://www.cellmolbiol.org/index.php/CMB/article/view/758.