OBSERVATIONS ON THE ABILITY OF AVIAN REOVIRUS
VACCINMATION OF HENS TO PROTECT THEIR PROGENY
AGAINST THE EFFECTS OF CHALLENGE WITH
HOMOLOGOUS AND HETEROLOGOUS STRAINS
By
G. W. WOOD J. C. MUSKETT and D. H. THORNTON
MAFF, Central Veterinary Laboratory, New Haw, Weybridge, Surrey, U.K.
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