Working conditions of the shift workers of the metropolitan area Sao Paulo, Brazil.
D000293:Adolescent; D000328:Adult; D001938:Brazil; D003906:Developing Countries; D005260:Female; D006801:Humans; D007221:Industry; D007588:Job Satisfaction; D008297:Male; D008875:Middle Aged; D012890:Sleep / Q000502:physiology; D014505:Urban Population; D014937:Work; D014940:Work Schedule Tolerance