[RESEARCH ON AIR POLLUTION BY A FACTORY FOR THE PRODUCTION OF TETRAETHYL LEAD].
D000397:Air Pollution; D001774:Blood Chemical Analysis; D006306:Health Surveys; D006801:Humans; D007854:Lead; D007855:Lead Poisoning; D009787:Occupational Medicine; D012106:Research; D013756:Tetraethyl Lead
D013756:Tetraethyl Lead; D007854:Lead
AIR POLLUTION; BLOOD CHEMICAL ANALYSIS; HEALTH SURVEYS; INDUSTRIAL MEDICINE; LEAD; LEAD POISONING