Skip to Main Content

We have a new app!

Take the Access library with you wherever you go—easy access to books, videos, images, podcasts, personalized features, and more.

Download the Access App here: iOS and Android. Learn more here!

Refetoff, Samuel

1 Professor of Medicine and Pediatrics, Director,  Endocrinology Laboratory, Depts. of Medicine and Pediatrics and the J.P. Kennedy Jr. Mental Retardation Research Center, The University of Chicago,  Chicago, Illinois