Occupational health education in agriculture.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000382:Agricultural Workers' Diseases / Q000517:prevention & control; D002648:Child; D002675:Child, Preschool; D005260:Female; D006266:Health Education; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged