Sharma, A. ., Das, B. ., Sehgal, A. ., Mehrotra, R. ., Kar, P. ., Sardana, S. ., … Sharma, J. . (2013). GSTM1 and GSTT1 polymorphism and susceptibility to esophageal cancer in high- and low-risk regions of India. Tumour Biology : The Journal of the International Society for Oncodevelopmental Biology and Medicine, 34(5), 3249-57. https://doi.org/10.1007/s13277-013-0897-6

Ihsan, R. ., Chattopadhyay, I. ., Phukan, R. ., Mishra, A. ., Purkayastha, J. ., Sharma, J. ., … Kapur, S. . (2010). Role of epoxide hydrolase 1 gene polymorphisms in esophageal cancer in a high-risk area in India. Journal of Gastroenterology and Hepatology, 25(8), 1456-62. https://doi.org/10.1111/j.1440-1746.2010.06354.x

Chattopadhyay, I. ., Singh, A. ., Phukan, R. ., Purkayastha, J. ., Kataki, A. ., Mahanta, J. ., … Kapur, S. . (2010). Genome-wide analysis of chromosomal alterations in patients with esophageal squamous cell carcinoma exposed to tobacco and betel quid from high-risk area in India. Mutation Research, 696(2), 130-8. https://doi.org/10.1016/j.mrgentox.2010.01.001