From EBT Research Foundation (T.Q.C., P.R., N.J.L., D.J.R.) and Vanderbilt University (B.C.), Nashville, Tenn; Baylor College of Medicine, Houston, Tex (Z.-X.H., J.J.M.); and Christ Hospital and Medical Center and Rush Medical College, Oak Lawn, Ill (A.Z.).(2000-02-29時点)
