na INLIS000000000009859 20210520150729 210520||||||||| | ||| |||| || | 010-0521009859 be Th.636.5.089/KUS/m Th.636.5.089/KUS/m KUSTERS, Johannes Gerardus Moleculaire basis van antigene variatie bij het aviaire... = Molecular basis of antigenic variation in avian corconavirus IBV 96 p.: ill.; 24 cm. FOWLS -- infectious bronchitis virus -- DISSERTATIONS -- ANTIGENIC VARIATIONS