Colorado mercury thermometer collection project.
D003120:Colorado; D004782:Environmental Health; D004787:Environmental Pollution / Q000517:prevention & control* / Q000706:statistics & numerical data; D006801:Humans; D017744:Medical Waste Disposal / Q000379:methods*; D008628:Mercury; D024802:Nurse's Role; D013821:Thermometers
D017744:Medical Waste Disposal; D008628:Mercury