Improving Upon the Ice Ages: Is SherpaPak the Solution?
Correspondence to: Amy G. Fiedler, MD, Department of Surgery, Division of Cardiothoracic Surgery, University of California, San Francisco, 513 Parnassus Ave, Medical Sciences Bldg, Ste 309, San Francisco, CA 94143. Email Department of Surgery, Division of Cardiothoracic Surgery, University of California, San Francisco. For Sources of Funding and Disclosures, see page xxx. The opinions expressed in this article are not necessarily those of the editors or of the American Heart Association. Correspondence