Authors: Nielen, ALJ van der Beek, S Ubbink, GJ Knol, BW

Citation: Alj. Nielen et al., Population parameters to compare dog breeds: Differences between five Dutch purebred populations, VET Q, 23(1), 2001, pp. 43-49

Authors: de Vries, MJ van der Beek, S Kaal-Lansbergen, LMTE Ouweltjes, W Wilmink, JBM

Citation: Mj. De Vries et al., Modeling of energy balance in early lactation and the effect of energy deficits in early lactation on first detected estrus postpartum in dairy cows, J DAIRY SCI, 82(9), 1999, pp. 1927-1934

Authors: van der Beek, S Nielen, ALJ Schukken, YH Brascamp, EW

Citation: S. Van Der Beek et al., Evaluation of genetic, common-litter, and within-litter effects on preweaning mortality in a birth cohort of puppies, AM J VET RE, 60(9), 1999, pp. 1106-1110