Title: Effects of agricultural spraying of methyl parathion on reproduction and cholinesterase activity in starlings (Sturnus vulgaris) in Skagit Valley Washington
Subjects: Environmental aspects, Environmental aspects of Pesticides, Methyl parathion, Pesticides, Spraying and dusting residues in agriculture, Starlings, Toxicology
Places: Skagit River Valley (B.C. and Wash.)