Mark's remarks. "It's PCB time again".
D000383:Agriculture; D002617:Chemical Industry; D004785:Environmental Pollutants / Q000506:poisoning*; D006801:Humans; D009316:National Institutes of Health (U.S.); D011078:Polychlorinated Biphenyls / Q000506:poisoning*; D014481:United States
D004785:Environmental Pollutants; D011078:Polychlorinated Biphenyls