[Electrocardiographical studies of workers in a dye factory].
D004396:Coloring Agents / Q000633:toxicity*; D004562:Electrocardiography; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis*; D012106:Research
D004396:Coloring Agents
DYES/toxicology; ELECTROCARDIOGRAPHY; OCCUPATIONAL DISEASES/diagnosis