INDUSTRIAL HYGIENE AND MEDICAL CONTROL PROCEDURES.
D007855:Lead Poisoning; D008660:Metabolism; D016272:Occupational Health; D009787:Occupational Medicine; D009790:Occupations; D010578:Petroleum; D011315:Preventive Medicine; D014116:Toxicology; D014481:United States
D010578:Petroleum
INDUSTRIAL MEDICINE; LEAD POISONING; METABOLISM; OCCUPATIONS; PETROLEUM; PREVENTIVE MEDICINE; TOXICOLOGIC REPORT; UNITED STATES