A. J. Rayamajhi, P. R. Bhattarai, R. K. Yadav, S. C. Paudel, R. Pandit, and V. C. Shakya, “Ultrasound guided abdominal plane blocks as anaesthetic technique for laparotomy in cancer patients: a case series”, J. Soc. Anesth. Nep., vol. 3, no. 2, pp. 90–92, Sep. 2016.