TY - GEN AU - PFEIFER,M TI - [Evaluation of mass x-ray survey in early recognition of malignant intrathoracic tumors] SN - 0012-0219 PY - 2000///0701 KW - Humans KW - Neoplasms KW - Respiratory Tract Neoplasms KW - Thoracic Neoplasms KW - Thorax KW - X-Rays N1 - Publication Type: Journal Article ER -