SCHULTE, K.M., et al. “The Actual Role of Classic Bilateral Cervicotomic Approach for Primary Hyperparathyroidism in the Era of Minimally Invasive Surgery”. Annali Italiani Di Chirurgia, vol. 74, no. 4, July 2003, pp. 389-93, https://annaliitalianidichirurgia.it/index.php/aic/article/view/3036.