1. Diphyllobothriasis in Man;von Bonsdorff,1977
2. Lognormal distribution of serum vitamin B12 levels and dependence of blood values on the B12 level in a large population heavily infected with Diphyllobothrium latum;Gräsbeck;J. Lab. Clin. Med.,1962
3. The evolution of the reference value concept;Gräsbeck;Clin. Chem. Lab. Med.,2004
4. Reference Values and Reference Intervals;Gräsbeck,2008
5. Determinations of glandular mucoprotein in the gastric juice of patients with pernicious tapeworm anaemia;Gräsbeck;Scand. J. Clin. Lab. Invest.,1955