title: Formalin preservation of avian blood for metal and DDE analysis.
mesh_terms: D000818:Animals; D001793:Blood Preservation; D002104:Cadmium / Q000097:blood; D003633:Dichlorodiphenyl Dichloroethylene / Q000097:blood*; D004372:Ducks / Q000097:blood*; D004785:Environmental Pollutants / Q000032:analysis; D005260:Female; D005557:Formaldehyde; D005615:Freezing; D007854:Lead / Q000097:blood; D008297:Male; D008628:Mercury / Q000097:blood; D008670:Metals / Q000097:blood*; D013997:Time Factors
chemical_list: D004785:Environmental Pollutants; D008670:Metals; D002104:Cadmium; D005557:Formaldehyde; D007854:Lead; D003633:Dichlorodiphenyl Dichloroethylene; D008628:Mercury