References
- Harris , R. E. and Petersen , G. V. 1967 . Retained foetal membranes in dairy herds in the Huntly district . N.Z. vet. J. , 15 : 194 – 194 .
- Moller , K. , Newling , P. E. , Robson , H. J. , Jansen , G. J. , Meursinge , J. A. and Cooper , M. G. 1967 . Retained foetal membranes in dairy herds in the Huntly district . N.Z. vet. J. , 15 : 111 – 116 .