[Mass miniature radiography in Poland in 1968].
D000293:Adolescent; D000328:Adult; D000368:Aged; D006801:Humans; D008400:Mass Chest X-Ray; D008403:Mass Screening; D008875:Middle Aged; D011044:Poland; D013223:Statistics as Topic
Badania radiofotograficzne w Polsce w r. 1968.