title: The paradox of reactive oxygen species: injury, signaling, or both?
authors.forename: Victor J
authors.initials: VJ
authors.lastname: Thannickal
mesh_terms: D017209:Apoptosis / Q000502:physiology; D002468:Cell Physiological Phenomena; D002470:Cell Survival / Q000502:physiology; D006801:Humans; D017382:Reactive Oxygen Species / Q000378:metabolism*; D015398:Signal Transduction / Q000502:physiology*
chemical_list: D017382:Reactive Oxygen Species