Medical Progress

From the Department of Research, Saint Francis Hospital and Medical Center, Hartford, CT (E.C.); the University of Connecticut School of Medicine, Farmington (E.C.); the Department of Internal Medicine, University of Brescia, Brescia, Italy (A.G.); and the Department of Medicine, College of Physicians and Surgeons, Columbia University, New York (J.P.B.). Address reprint requests to Dr. Canalis at the Department of Research, Saint Francis Hospital and Medical Center, 114 Woodland St., Hartford, CT 06105-1299, or at [email protected].