Cassisi, G., and L. Sartori. 2009. “Efficacy of Intramuscular Clodronate in Complex Regional PainSyndrome Type I: Description of a Case Located in the Astragalus in Apatient With Psoriatic Arthritis”. Acta Biomedica Atenei Parmensis 80 (3): 268-77. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1182.