The combination of quantitative faecal occult blood test and faecal calprotectin is a cost-effective strategy to avoid colonoscopies in symptomatic patients without relevant pathol... oleh Alberto Lué, Gonzalo Hijos, Carlos Sostres, Alba Perales, Mercedes Navarro, Maria Victoria Barra, Barbara Mascialino, Carmen Andalucia, Juan José Puente, Ángel Lanas, Fernando Gomollon