Observation of Interference Effect of Different Types of Infectious Bronchitis Virus on Newcastle Disease Virus
FENG Lixia;CUI Baoan;LI Xinsheng;CHENG Yahui;LI Shuangliang;GAO Wenming;KANG Hui
China Animal Husbandry & Veterinary Medicine . 2008, (12): 126 -128 .