Ock, So Young Serum 25-Hydroxyvitamin D Concentration Is Independently Inversely Associated with Insulin Resistance in the Healthy, Non-Obese Korean Population. [electronic resource] - Diabetes & metabolism journal Oct 2016 - 367-375 p. digital Publication Type: Journal Article ISSN: 2233-6079 Standard No.: 10.4093/dmj.2016.40.5.367 doi