不同尿素水平下青山羊谷丙转氨酶代谢规律的研究
杨在宾,方希修,杨维仁,孙存孝,李继秋
Effects of different dietary urea level on glutamate-pyruvate transaminase in green goats
动物营养学报 . 1999, (增刊): 243 -247 . 

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