Sentinel lymph node biopsy in papillary thyroid cancer: Accuracy and application in clinical practice Amaia Expósito Rodríguez; Igone Corta Gómez; Maite Domínguez Ayala; Maitane García Carrillo; Ana Isabel González García; Maria Teresa Gutiérrez Rodríguez; Amelia Oleaga Alday; Miguel Paja Fano; María Luisa Rodríguez Iriarte; Aitziber Ugalde Olano; Roza Zabala Landa;

Prognostic value of the nodal ratio in gastric cancer: unicentric analysis of 199 patients Ibabe Villalabeitia Ateca; Arkaitz Perfecto Valero; Clara Serrano Hermosilla; Ainhoa Marcaida Salazar; Silvia Pérez Fernández; Aingeru Sarriugarte Lasarte;

Cervical ultrasound for the evaluation of the vocal cords: A pilot study in an endocrine surgery unit Luis Eduardo Pérez-Sánchez; Eugenia Caballero-Rodríguez; Rafael Orti-Rodríguez; Ana Soto-Sánchez; Miguel Ángel García-Bello; Julio César Jordán-Balanza; Manuel Ángel Barrera-Gómez;