Ferritin, Serum Iron and Hemoglobin as Acute Phase Reactants in Laparoscopic and Open Surgery of Cholecystectomy: An Observational Prospective Study oleh Cristina Vila Zárate, Candelaria Martín González, Ruimán José González Álvarez, Iván Soto Darias, Beatriz Díaz Pérez, Pedro Abreu González, Vicente Medina Arana, Antonio Martínez Riera