The prognostic role of hemoglobin levels in patients undergoing concurrent chemo-radiation for anal cancer oleh Pierfrancesco Franco, Francesco Montagnani, Francesca Arcadipane, Chiara Casadei, Kalliopi Andrikou, Stefania Martini, Giuseppe Carlo Iorio, Mario Scartozzi, Massimiliano Mistrangelo, Lorenzo Fornaro, Paola Cassoni, Stefano Cascinu, Umberto Ricardi, Andrea Casadei Gardini