Clinicopathologic conference, Vitamin D deficiency
NEJM 383:2462-2470, Case 39-2020, 2020
Clinicopath Conf. Rickets Due to Vitamin D Deficiency
NEJM 360:398-407, Case 3-2009, 2009
Effect of Chronic Anticonvulsant Therapy on Serum 25-Hydroxycalciferol Levels in Adults
NEJM 287:898, Hahn,T.,et al, 1972