information about Toll field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 49.1M papers | Biology 35.4M papers | Genetics 9.8M papers | Immunology 5.1M papers |
| Current | |||
Toll 22.2k papers | |||
| Child | |||
Toll road 3,289 papers | Electronic toll collection 1,774 papers | ||
Trends
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History