Li H, Zhang YY, Huang XY, Sun YN, Jia YF, Li D. Beneficial effect of tripterine on systemic lupus erythematosus induced by active chromatin in BALB/c mice. Eur J Pharmacol. 2005 Apr 11;512(2-3):231–7. doi: 10.1016/j.ejphar.2005.02.030. PMID: 15840409.