Ahn, H. Y., Cho, J., Nam, D., Kim, E., & Ha, I. (2019). Efficacy and safety of Cortex Eucommiae (Eucommia ulmoides Oliver) extract in subjects with mild osteoarthritis: Study protocol for a 12-week, multicenter, randomized, double-blind, placebo-controlled trial. Medicine (Baltimore), 98(50), e18318. https://doi.org/10.1097/MD.0000000000018318
Chicago Style (17th ed.) CitationAhn, Hyeon Yeong, Jae-Heung Cho, Dongwoo Nam, Eun-Jung Kim, and In-Hyuk Ha. "Efficacy and Safety of Cortex Eucommiae (Eucommia Ulmoides Oliver) Extract in Subjects with Mild Osteoarthritis: Study Protocol for a 12-week, Multicenter, Randomized, Double-blind, Placebo-controlled Trial." Medicine (Baltimore) 98, no. 50 (2019): e18318. https://doi.org/10.1097/MD.0000000000018318.
MLA (9th ed.) CitationAhn, Hyeon Yeong, et al. "Efficacy and Safety of Cortex Eucommiae (Eucommia Ulmoides Oliver) Extract in Subjects with Mild Osteoarthritis: Study Protocol for a 12-week, Multicenter, Randomized, Double-blind, Placebo-controlled Trial." Medicine (Baltimore), vol. 98, no. 50, 2019, p. e18318, https://doi.org/10.1097/MD.0000000000018318.