Abstracts of papers read at the ... European conference on animal blood groups and biochemical polymorphismModelling of nitrogen flow and excretion in dairy cows / W.M. van StraalenRenin and aldosterone in healthy and diseased dogs and cats / Shahram JavadiBlood groups of animals : proceedings of the 9th European animal blood group conference [organized by the Laboratory of Physiology and Genetics of Animals, Czechoslovak Academy of Sciences] (1st conference arranged by E.S.A.B.R.), held in Prague, August 18-22, 1964 / ed. by Josef MatoušekHyperlipaemie bij pony's = Hyperlipemia in ponies / Anton Johan Herman SchotmanEffecten van vroeg neonataal toegediend acth en aan acth verwante peptiden op de somatische en gedragsontwikkeling van de rat / door Hermine van der Helm-Hylkema