9Carlson MS, Hill GM, Link JE. Effect of feeding organic and inorganic sources of additional zinc on growth performance and zinc balance in nursery pigs [ J ]. J Anita Sci. 2002,80 ( 7 ) : 1 917 - 24.
10Wang D M, Huang L F, Chen S S. Scanecio scandens Buch.-Ham.: A review on its ethnopharacology, phytochem-istry, pharmacology, and toxicity [J].Journal of Ethnopharma- cology, 2013, 149(1):1-23.
