information about Permian–Triassic extinction event field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 49.1M papers | Sociology 12.8M papers | Population 4.5M papers | Environmental health 3.9M papers |
Demography 3M papers | Biological dispersal 92.4k papers | Extinction event 8,292 papers | |
| Current | |||
Permian–Triassic extinction event 1,310 papers | |||
| Child | |||
Trends
Field Trends