[ON THE VALUE OF DOUBLE FLUOROGRAPHIC EXAMINATION OF THE L LUNGS].
D005471:Fluoroscopy; D006801:Humans; D008168:Lung; D008171:Lung Diseases; D008400:Mass Chest X-Ray; D013902:Radiography, Thoracic
FLUOROSCOPY; LUNG DISEASES; MASS CHEST X-RAY; THORACIC RADIOGRAPHY