Biberoglu, Serap, Fatih Cakmak, Seda Ozkan, Ibrahim Ikizceli, and Afsin Ipekci. “Vitamin D Poisoning; Hypercalcemia in a Case With Richter Transformation : Vitamine D Poisoning; Hipercalcemia”. Acta Biomedica Atenei Parmensis 92, no. S1 (April 30, 2021): e2021146. Accessed January 22, 2022. https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/9923.