Özlem Ç. Madenci, Asuman Orçun, Zeynep Yildiz, Rana Sirmali, Nazan Tunçbilek, Nihal Yücel, Yusuf Temel, Aycan Bölük
Original papers, Volume 27, June, Issue 2
KEYWORDS: vitamin D; method comparison; standardization; 25-Hydroxyvitamin D
Merve Kaymak Ekşioğlu, Özlem Çakır Madenci, Nihal Yücel, Abdullah Elçi, Bülent Turhan, Gani Orhan, Asuman Orçun
Original paper, Volume 26, June, Issue 2
KEYWORDS: urinalysis; preservation; sample preparation