Fenitrothion residue survey in relation to the 1981 spruce budworm spray program in New Brunswick, Canada.
D004785:Environmental Pollutants / Q000032:analysis*; D005278:Fenitrothion / Q000032:analysis*; D009509:New Brunswick; D014197:Trees
D004785:Environmental Pollutants; D005278:Fenitrothion