Studies on Chronic Toxicity of Hypericum Perforatum Extract on Beagle Dogs
XIE Jia-jun, ZHOU Guang-xing, QIAO Zheng-dong, WANG Jian-xin
Laboratory Animal and Comparative Medicine . 2014, (1): 18 -24 .  DOI: 10.3969/j.issn.1674-5817.2014.01.004