- Renwick, C.C.,
- Wilkins, J.H.,
- Bowden, R.S.,
- Wilkinson, G.T.,
Veterinary Record, 81, 2, pp57-58
- Biberstein, E.L.,
- Nisbet, D.I.,
- Thompson, D.A.,
Journal of Comparative Pathology, 77, 2, pp181-19; IN11-IN13
- Zlotnik, I.,
- Rennie, J.C.,
British Journal of Experimental Pathology, 48, 2, pp171-179
- Gilmour, N.J.L.,
- Brotherston, J.G.,
Journal of Comparative Pathology, 76, 4, pp341-349
- Foggie, A.,
- Lumsden, W.H.R.,
- McNeillage, G.J.C.,
Journal of Comparative Pathology, 76, 4, 413
- Suttle, N.F.,
- Field, A.C.,
British Journal of Nutrition, 20, 3, pp606-619