Disposal of unused medicines--concern grows over environmental impacts.
D011307:Drug Prescriptions; D006256:Hazardous Waste / Q000009:adverse effects*; D006801:Humans; D012037:Refuse Disposal / Q000592:standards*; D014481:United States; D014484:United States Environmental Protection Agency; D014873:Water Pollutants / Q000009:adverse effects*
D006256:Hazardous Waste; D014873:Water Pollutants