Initial Opioid Prescriptions among U.S. Patients, 2012-2017. Reply.

Abstract

n engl j med 380;26 nejm.org June 27, 2019 2587 tal understanding of the biologic properties of vitamin D. In addition, although we lack data regarding plasma levels of cholecalciferol in this patient, it is possible that this molecule could serve as an important reservoir of hormone precursor, much like it probably does in persons with normal vitamin D–binding protein levels. Lastly, the data from Berg et al. are consistent with previous results showing a direct correlation between 25(OH)D and vitamin D–binding protein.4