Surgical results and the location of pathological glands in the treatment of primary sporadic hyperparathyroidism with negative preoperative 99mTc-sestamibi scintigraphy Leire Agirre; Aitor de la Quintana; Gloria Martínez; Ainhoa Arana; María José Servide; Jasone Larrea;

Radioguided parathyroidectomy: How does it contribute to surgery? Pilar Salvador Egea; Isabel Blanco Saiz; Emma Anda Apiñániz; Aitor Redondo Expósito; Cristina Erce García; Irati Pérez Otermin; Naomi Cruz Vásquez;

Persistent elevated serum parathyroid hormone levels with normocalcaemia after parathyroidectomy: Secondary hyperparathyroidism or pseudo- hyperparathyroidism? Olivia Benet-Muñoz; María Asunción Acosta-Mérida; José Antonio Casimiro-Pérez; María Mar Callejón-Cara; Laura Jiménez-Díaz; Joaquín Marchena-Gómez;