1. Unpublished observations;Anderson, J.M.; Belton, N.R.,1972
2. Babson, S. G., Kangas, J., Young, N., and Bramhall, J. L. (1964).
3. The relationship between intelligence and birth weight in twins;Churchill, J.A.;Neurology (Minneap.),1965
4. Very low birth-weight and subsequent head growth;Davies, P.A.; Davis, J.P.;Lancet,1970
5. Hypoglycaemia in childhood. (In Discussion.);Dawkins, M.J.R.;Proc. roy. Soc. Med,1964