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2. The red cell phenotype En(a-) and anti-Ena: serological and physicochemical aspects;Furuhjelm;Vox Sang.,1969
3. On the Mk allele of the MNSs system;Heiken;Acta genet.,1967
4. Exceptional MNSs- and Gm-types within a Danish family. Causal relationship or coincidence;Henningsen;Acta genet.,1966
5. Mk: an apparently silent allele at the MN locus;Metaxas;Nature, Lond.,1964