Vitamin D Supplementation and Prevention of Type 2 DiabetesMansur, Jose L. M.D.Author informationCentro de Endocrinologia y Osteoporosis La Plata, La Plata, Argentina [email protected]No potential conflict of interest relevant to this letter was reported.New England Journal of Medicine 381(18):p 1785, October 31, 2019.Copyright © 2019 Massachusetts Medical Society. All rights reserved.