Louis A Robert, Singh Shivendra, Gupta Sunil K, Sharma Anila
Department of Medical Oncology, Rajiv Gandhi Cancer Institute & Research Centre, Sector 5 Rohini, New Delhi, 110085, India,
J Gastrointest Cancer. 2014 Sep;45(3):392-4. doi: 10.1007/s12029-013-9514-6.