1. Correlation of symptoms to serum vitamin D levels?. (April 2018) Authors: Sadat-Ali, Mir; Al Essa, Omar N.; Alani, Fawaz M.; Al Omar, Hussain K.; Ebrahim, Walid Y. Journal: Clinical nutrition ESPEN Issue: Volume 24(2018) Page Start: 31 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗