6Poirel,L.and Nordmann,P. Acquired carbaponem-hydrolyzing beta-lactamases and their genetic support[J]. Curr. Pharm. Biotech.2002, (3) :117-127. 被引量:1
7Boyaka PN ,McGhee JR. Production of cytokines by B cell in health and disease[J].Adv Drug Deliv Rev.,2001,51(3):71-79. 被引量:1
8Staats HF, Ennis FA.A perspective for oral vaccine developement[J].Food and Agri Immunol ,1999 ,162(10) :6141-6147. 被引量:1
9Eugeni roura,josep Homedes and Kirk C.Klasking.Prevention of Immunologic Stress Contributes to the Growth -Permitting Ability of Dietary Antibiotics in Chicks. [J ].Nutr. 1992,122:2382-2390. 被引量:1