title: FREE PROTOPORPHYRIN CONTENT OF ERYTHROCYTES IN CHRONIC TETRAETHYL LEAD POISONING.
mesh_terms: D001774:Blood Chemical Analysis; D002908:Chronic Disease; D004912:Erythrocytes; D007855:Lead Poisoning; D009787:Occupational Medicine; D010578:Petroleum; D011166:Porphyrins; D011524:Protoporphyrins; D013756:Tetraethyl Lead; D014116:Toxicology; D001335:Vehicle Emissions
chemical_list: D010578:Petroleum; D011166:Porphyrins; D011524:Protoporphyrins; D001335:Vehicle Emissions; D013756:Tetraethyl Lead
keywords: AUTOMOBILE EXHAUST; BLOOD CHEMICAL ANALYSIS; ERYTHROCYTES; INDUSTRIAL MEDICINE; LEAD POISONING; PETROLEUM; PORPHYRINS; TOXICOLOGIC REPORT