Parathyroid Gland Involvement by Thyroid Cancer: Results from a Large Series of Thyroidectomies Performed in Two Italian University Hospitals and Review of the Literature. - Papi, Giampaolo; Corrado, Stefania; Fadda, Guido; Maiorana, Antonino; Maccio, Livia; Corsello, Salvatore Maria; Pontecorvi, Alfredo (Journal of Thyroid Research, 2014)