R. E. Roberts

发表

G. Besley, J. E. Wraith, R. Macfaul, 1999, Archives of disease in childhood.

M. J. Cohen, R. E. Roberts, 1926, Proceedings of the Royal Society of Medicine.

E. R. Wilson, D. Aron, R. E. Roberts, 1994, Journal of the American Veterinary Medical Association.