Department of Medical Oncology;
Portuguese Oncology Institute;
Porto 4200-072;
Portugal;
2nd Department of Medicine;
Discipline of Clinical Semiotics;
Faculty of Medicine;
University of Porto;
Porto 4200-319;
Portugal;
Molecular Oncology Unit CI;
IPOPFG;
Porto 4200-072;
Portugal;
2nd Departament of Molecular Immunology and Pathology;
Instituto de Ciências Biomédicas Abel Salazar(ICBAS);
University of Porto;
Porto 4099-003;
Portugal;
Head of Lung Clinic of the Department of Medical Oncology;
Portuguese Oncology Institute;
Porto 4200-072;
Portugal;
Epidermal; growth; factor; receptor; K-Ras; Nonsmall-cell; lung; carcinoma; Pharmacogenomics; p21ras; proto-oncogene; proteins;