TY - GEN AU - HILGER,J A TI - Early recognition of malignant disease of the upper respiratory tract SN - 0096-0233 PY - 2002///0501 KW - Humans KW - Larynx KW - Neoplasms KW - Respiratory Tract Neoplasms KW - Trachea N1 - Publication Type: Journal Article ER -