Veldhuis J D, Norton J A, Wells S A, Vinik A I, Perry R R
Department of Medicine/Endocrinology & Metabolism, University of Virginia School of Medicine, Charlottesville 22908, USA.
J Clin Endocrinol Metab. 1997 Feb;82(2):357-64. doi: 10.1210/jcem.82.2.3711-1.