EVOLUTION OF OUR CONCEPTS OF STANDARDS.
D005075:Biological Evolution; D002617:Chemical Industry; D006801:Humans; D009787:Occupational Medicine; D011041:Poisoning; D012015:Reference Standards; D014116:Toxicology; D014481:United States
CHEMICAL INDUSTRY; INDUSTRIAL MEDICINE; POISONING; TOXICOLOGIC REPORT; UNITED STATES