TY - JOUR TI - Relation Between Osteoporosis and Vitamin D Levels and Disease Activity in Psoriatic Arthritis AU - Öten, E. AU - Başkan, B. AU - Sivas, F. AU - Bodur, H. JO - Journal of Clinical Practice and Research PY - 2017 VL - 39 SP - 94 EP - 100 DO - 10.5152/etd.2017.16120 ER -