Influence of Hypericum perforatum Extract on Piglet Infected with Porcine Respiratory and Reproductive Syndrome Virus
| Autor: | PU, Xiu-ying, LIANG, Jian-ping, SHANG, Ruo-feng, WANG, Xue-hong, WANG, Zuo-xin, HUA, Lan-ying, LIU, Yu |
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| Zdroj: | In Agricultural Sciences in China 2009 8(6):730-739 |
| Databáze: | ScienceDirect |
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