title: Mass extinction. Extinction by a whoosh, not a bang?
authors: Richard A
authors: RA
authors: Kerr
mesh_terms: D000818:Animals; D002980:Climate; D025061:Dinosaurs; D005580:Fossils; D019015:Geologic Sediments / Q000737:chemistry; D011156:Population Density; D013995:Time; D018707:Volcanic Eruptions