M. H. Biesheuvel

Prevalence of campylobacter in pigs during fattening; an epidemiological study.

H. Urlings, J. van der Plas, P. Bijker, 1993, The Veterinary quarterly.

Some aspects of the gastrointestinal microflora of veal calves fed different rations: a pilot study.

H. Urlings, P. Bijker, M. H. Biesheuvel, 1991, The Veterinary quarterly.