“Developing a Nurse Call Device Using the Latest Methods and Linking the Patient and the Doctor”. American Journal of Engineering , Mechanics and Architecture (2993-2637) 3, no. 2 (February 28, 2025): 172–179. Accessed January 27, 2026. https://grnjournal.us.e-scholar.org/index.php/AJEMA/article/view/7023.