TY - GEN AU - MacKinnon,D M TI - Validity of clinical data retrieved from case notes of laryngeal and hypopharyngeal cancer: a universal method to improve accuracy SN - 0035-9157 PY - 1970///0706 KW - Computers KW - Electronic Data Processing KW - Glottis KW - Humans KW - Laryngeal Neoplasms KW - classification KW - Medical Records KW - Methods KW - Pharyngeal Neoplasms KW - Statistics as Topic N1 - Publication Type: Journal Article ER -