He, W., Zhou, M. and Chen, Y. 2021. A Royal Jelly Mixture with Berberine for Dressing Change on a Refractory Skin Ulcer: A Case Report. Journal of Geriatric Medicine. 3, 2 (Oct. 2021), 1–3. DOI:https://doi.org/10.30564/jgm.v3i2.3472.