Screening by chest photofluorography in Los Angeles. The minifilm circa 1970.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000704:Analysis of Variance; D002140:California; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000592:standards; D008722:Methods; D008875:Middle Aged; D010781:Photography; D011660:Pulmonary Heart Disease / Q000175:diagnosis; D013902:Radiography, Thoracic; D012140:Respiratory Tract Diseases / Q000175:diagnosis; D012737:Sex Factors; D013147:Spirometry; D013223:Statistics as Topic