ROOT (1929) gave theoretical reasons for regarding insulin resistance as present when a patient requires more than 200 units of insulin daily. This figure was derived from the insulin requirements of depancreatised animals but has been accepted as a satisfa:tory and practical although clearly arbitrary standard (Martin, Martin, Lyster and Strouse, 1941; Davidson and Eddleman, 1950; Oakley, Fiel...

A study of the intelligence of unmarried mothers who had been admitted to a home for unfortunate girls over a period of four years was published in 1929 by McClure and Goldberg.1 The study was based on the results of the Stanford-Binet test given to 84 girls. Eighty-seven had been examined but the scores of three were eliminated because of language difficulties. Since 1929 an additional number ...