Observational study on quality of life, safety, and effectiveness of first‐line cetuximab plus chemotherapy in KRAS wild‐type metastatic colorectal cancer patients: the ObservEr St... oleh Carmine Pinto, Francesca Di Fabio, Gerardo Rosati, Ivan R. Lolli, Enzo M. Ruggeri, Libero Ciuffreda, Daris Ferrari, Giovanni Lo Re, Giovanni Rosti, Paolo Tralongo, Raimondo Ferrara, Oscar Alabiso, Silvana Chiara, Giovanni P. Ianniello, Antonio Frassoldati, Domenico Bilancia, Giovanna A. Campanella, Carlo Signorelli, Patrizia Racca, Elena Benincasa, Maria Elena Stroppolo, Francesco Di Costanzo