M. de Vos

Bifidobacterium, Bacteroides, and Clostridium spp. in fecal samples from breast-fed and bottle-fed infants with and without iron supplement

J. Verhoef, J. Marcelis, E. Mevissen-Verhage, 1987, Journal of clinical microbiology.

Detection of antibodies against lipopolysaccharides of Escherichia coli and Salmonella R and S strains by immunoblotting

J. Verhoef, J. Marcelis, R. Vreede, 1985, Infection and immunity.