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Purkayastha, Joydeep, Srinivas Bannoth, Deepjyoti Kalita, Abhijit Talukdar, Bibhuti B. Borthakur, Niju Pegu, et Gaurav Das. "A Study of Clinical Presentation and Management of Malignant Gastric Outlet Obstruction (Northeast India–Based Single-Centre Experience)." Indian J Surg Oncol 2019.

Purkayastha, Joydeep, et al. "A Study of Clinical Presentation and Management of Malignant Gastric Outlet Obstruction (Northeast India–Based Single-Centre Experience)." Indian J Surg Oncol 2019.