1. Population studies in northern Sweden. VII. Serum transferrin variants as markers of Finnish admixture;Beckman;Hereditas,1975
2. Chromosome studies in selected spontaneous abortions: 1. Conception after oral contraceptives;Carr;Can. Med. Ass. J.,1970
3. Shift of childbirth to younger mothers, and its effect on the incidence of mongolism in Victoria, Australia, 1939-1964;Collman;J. Ment. Deficiency Res.,1969
4. Down's syndrome in Sweden. An epidemiological study of a three-year material;Lindsjö;Acta Paediat. Scand.,1974
5. Mongolism in newborns. A clinical cytogenetic study;Hall;Acta Paediatrica,1964