1. The epidemiology of mental deficiency in Finland;Amnell;Proceedings, International Copenhagen Congress on the Scientific Study of Mental Retardation,1964
2. Cystinuria in Sweden. II. The incidence of homozygous cystinuria in Swedish schoolchildren;Boström;Acta paediat. (Uppsala),1959
3. A simple chromatographic screening test for the detection of disorders of amino acid metabolism;Efron;New Engl. J. Med.,1964
4. A simple phenylalanine method for detecting phenylketonuria in large populations of newborn infants;Guthrie;Pediatrics,1963