Park, Kyeong Mee, Tae Hwan Cho, and Dong Pill Cho. “Study on Administration of Placental Extract for Pain and Quality of Life in Patients With Fibromyalgia Syndrome”. New Frontiers in Medicine and Medical Research Vol. 17 (October 4, 2021): 62–73. Accessed June 4, 2026. https://stm.bookpi.org/NFMMR-V17/article/view/4203.