Nadipineni, S. and Silva, P. (2012) Hypercalcemia. Elsevier Clinical Key. Accessed 08/08/14 from: https://www.clinicalkey.com/#!/ContentPlayerCtrl/doPlayContent/21-s2.0-1014730/{"scope":"all","query":"hypercalcemia"}
Skugor, M. and Milas, M. Hypercalcemia. The Cleveland Clinic Foundation. Accessed 08/11/14 from: http://www.clevelandclinicmeded.com/medicalpubs/diseasemanagement/endocrinology/hypercalcemia/