Santoso, Gatot, S. Sugiharto, Abdul Mughni, Muhammad Imam Ammarullah, Athanasius P. Bayuseno, and J. Jamari. 2022. “Chairless Chairs for Orthopedic Surgery Purpose – A Literature Review”. Open Access Macedonian Journal of Medical Sciences 10 (F):146-52. https://doi.org/10.3889/oamjms.2022.8148.