Erin Songdechagraiwud และผู้แต่งคนอื่นๆ. (2020) Preliminary study on the combined effects of simple expiratory muscle strength device training with conventional exercise on submental muscles force and maximal expiratory pressure related to swallowing in patients with head and neck cancer. <i>Journal of Associated Medical Sciences</i>, <i>53</i>(2), 7-13.Erin Songdechagraiwud และผู้แต่งคนอื่นๆ. "Preliminary study on the combined effects of simple expiratory muscle strength device training with conventional exercise on submental muscles force and maximal expiratory pressure related to swallowing in patients with head and neck cancer". Journal of Associated Medical Sciences 53 (2020):7-13.Erin Songdechagraiwud และผู้แต่งคนอื่นๆ. Preliminary study on the combined effects of simple expiratory muscle strength device training with conventional exercise on submental muscles force and maximal expiratory pressure related to swallowing in patients with head and neck cancer. Faculty of Associated Medical Sciences, Chiang Mai University:ม.ป.ท. 2020.