Thongkan, T., Pitakteerabundit, T. and Wiboonkhwan, N.- ak (2021) “Does Pyloric-ring Resection in Pancreaticoduodenectomy Prevent Delayed Gastric Emptying?”, Journal of Health Science and Medical Research, 39(4), pp. 303–312. doi: 10.31584/jhsmr.2021786.