Colegate, S. M., Welsh, S. L., Gardner, D. R., Betz, J. M., & Panter, K. E. (2014). Profiling of Dehydropyrrolizidine Alkaloids and their N-Oxides in Herbarium-Preserved Specimens of Amsinckia Species Using HPLC-esi(+)MS. American Chemical Society.

Colegate, Steven M., Stanley L. Welsh, Dale R. Gardner, Joseph M. Betz, و Kip E. Panter. Profiling of Dehydropyrrolizidine Alkaloids and Their N-Oxides in Herbarium-Preserved Specimens of Amsinckia Species Using HPLC-esi(+)MS. American Chemical Society, 2014.

Colegate, Steven M., et al. Profiling of Dehydropyrrolizidine Alkaloids and Their N-Oxides in Herbarium-Preserved Specimens of Amsinckia Species Using HPLC-esi(+)MS. American Chemical Society, 2014.