information about Outdoor activity field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 49.4M papers | Biology 36M papers | Political science 24.5M papers | Law 14.1M papers |
Ecology 8.1M papers | Physical therapy 1.9M papers | Physical medicine and rehabilitation 1M papers | Physical activity 136k papers |
Recreation 105k papers | |||
| Current | |||
Outdoor activity 909 papers | |||
| Child | |||
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