by het Lam, J., Derkman, T.H.J., van Garderen, E., Dijkman, R., van Engelen, E.
Published in The veterinary journal (1997) (01.02.2023)

by Mohd Nor, N, Steeneveld, W, Derkman, T H J, Verbruggen, M D, Evers, A G, de Haan, M H A, Hogeveen, H
Published in Irish Veterinary Journal (15.12.2015)