Sewer rats.
Maihofer
M G
MG
D018057:Dental Waste / Q000032:analysis; D006256:Hazardous Waste / Q000032:analysis; D006801:Humans; D017744:Medical Waste Disposal / Q000331:legislation & jurisprudence*; D008628:Mercury / Q000032:analysis; D008824:Michigan; D012722:Sewage / Q000032:analysis; D014877:Water Pollution, Chemical / Q000032:analysis / Q000517:prevention & control
D018057:Dental Waste; D006256:Hazardous Waste; D017744:Medical Waste Disposal; D012722:Sewage; D008628:Mercury