Abstract
This article was originally published in French in Diabete et Metabolisme (vol. 3: 97–107, 173–182, 245–256; 1977). The Editors of DIABETES CARE thank the author, and the editors and publisher of Diabete et Metabolisme for granting permission for us to print this English translation. The paper was translated by Marjorie Levin of Miami, Florida. Part 2 of this translation will appear in the July–August issue of DIABETES CARE.