Copper-Induced Stimulation of Extracellular Signal-Regulated Kinase in Trout Hepatocytes: The Role of Reactive Oxygen Species, Ca2+, and Cell Energetics and the Impact of Extracellular Signal-Regulated Kinase Signaling on Apoptosis and NecrosisMuhammad Nawaz, Gerhard Krumschnabel|Toxicological Sciences|2006Cited by 45