1. Liu P, et al. Simultaneous determination of seven major diterpenoids in Pseudolarix kaempferi by high-performance liquid chromatography DAD method. J Pharm Biomed Anal. 2007 Jul 27;44(3):730-6. 2. Liu P, et al. [Metabolic pathway and metabolites of pseudolaric acid B]. Yao Xue Xue Bao. 2011 Nov;46(11):1361-5.