Bias in surgery. Do and act, that¿s the key Josep María Garcia-Alamino; Manuel López-Cano;

Our experience in the short-term diagnostic-therapeutic management of the patient with anal dysplasia Clara Galán Martínez; M. Pilar Hernández Casanovas; Laia Sala Vilaplana; Anna Sánchez López; M. Carmen Martínez Sánchez; Jesús Bollo Rodríguez; Elena Pareja Nieto; Eduardo M. Targarona Soler;

Mammary-like gland perianal adenocarcinoma Elena Pareja Nieto; Jesús Bollo Rodríguez; María Pilar Hernández Casanovas; Clara Galán Martínez; Eduardo M. Targarona Soler;