Stress among crane operators.
D000062:Accidents, Occupational; D000328:Adult; D001519:Behavior; D006801:Humans; D007588:Job Satisfaction; D008297:Male; D008603:Mental Health; D009784:Occupational Diseases / Q000523:psychology*; D012649:Self Concept; D013312:Stress, Physiological / Q000523:psychology*