[Routine X-ray of thorax. A 3-year material].
D000328:Adult; D000368:Aged; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D009664:Norway; D013902:Radiography, Thoracic; D012189:Retrospective Studies
"Rutine rtg. thorax". Et 3-årsmateriale