Ushikubo, Mitsuko. “Pain at End-of-Life Among Patients With Amyotrophic Lateral Sclerosis Receiving Noninvasive Ventilation”. International journal of Nursing Didactics 7, no. 7 (July 31, 2017): 36–39. Accessed September 19, 2024. http://medicaleditor.uk/index.php/ijnd/article/view/1853.