Nickan Research Institute Journal of Parathyroid Disease 2345-6558 2 1 2014 01 01 Association of serum magnesium with vitamin D level in normal and renal disease patients 45 46 EN Seyed Seifollah Beladi-Mousavi Bahman Bashardoust Hamid Nasri Ali Ahmadi Shabnam Hajian Sara Torkamaneh Azar Baradaran Journal Article