Gokcek, Erhan Assessment of Relationship between Vitamin D Deficiency and Pain Severity in Patients with Low Back Pain: A Retrospective, Observational Study. [electronic resource] - Anesthesia, essays and researches - 680-684 p. digital Publication Type: Journal Article ISSN: 0259-1162 Standard No.: 10.4103/aer.AER_96_18 doi