[Observations on spinal injuries in farmers].
D000062:Accidents, Occupational; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000383:Agriculture; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011044:Poland; D012621:Seasons; D013124:Spinal Injuries / Q000453:epidemiology*
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