References
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- Donald , H. P. , Deas , D. W. and Wilson , A. L. 1952 . Genetical analysis of the incidence of dropsical calves in herds of Ayrshire cattle . Br. vet. J. , 108 : 227 – 248 .
- Neal , P. A. 1956 . Bovine hydramnion and hydrallantois . Vet. Rec. , 68 : 89 – 97 .